All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Zachary Riesland

Bib: 31303β€’M

NC

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
31:18
3.11 mi
Rank: #26150
Start β†’ 5K
31:18 | 10:05/mi
10K
1:07:16
6.21 mi
Rank: #27588 (-1438)
5K β†’ 10K
35:58 | 11:35/mi
15K
1:38:19
9.32 mi
Rank: #26980 (+608)
10K β†’ 15K
31:03 | 10:00/mi
20K
2:11:32
12.43 mi
Rank: #26839 (+141)
15K β†’ 20K
33:13 | 10:42/mi
HALF
2:17:57
13.11 mi
Rank: #26709 (+130)
20K β†’ HALF
6:25 | 9:25/mi
25K
2:43:47
15.53 mi
Rank: #26556 (+153)
HALF β†’ 25K
25:50 | 10:40/mi
30K
3:16:26
18.64 mi
Rank: #26192 (+364)
25K β†’ 30K
32:39 | 10:31/mi
20M
3:30:31
20.00 mi
Rank: #26017 (+175)
30K β†’ 20M
14:05 | 10:23/mi
21M
3:41:18
21.00 mi
Rank: #25834 (+183)
20M β†’ 21M
10:47 | 10:47/mi
35K
3:48:11
21.75 mi
Rank: #25691 (+143)
21M β†’ 35K
6:53 | 9:13/mi
23M
4:00:49
23.00 mi
Rank: #25514 (+177)
35K β†’ 23M
12:38 | 10:06/mi
24M
4:10:33
24.00 mi
Rank: #25381 (+133)
23M β†’ 24M
9:44 | 9:44/mi
40K
4:19:15
24.85 mi
Rank: #25263 (+118)
24M β†’ 40K
8:42 | 10:11/mi
25.2M
4:22:23
25.20 mi
Rank: #25183 (+80)
40K β†’ 25.2M
3:08 | 9:06/mi
FINISH
4:30:15
26.22 mi
Rank: #24901 (+282)
25.2M β†’ FINISH
7:52 | 7:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:17:57
Pace10:32 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time2:12:18
Pace10:06 /mi
πŸ“ŠNegative Split: 4.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:3631:1810:0531:18
10:05
-
10K
6.21 mi12:37:341:07:1610:5035:58
11:35
+1:30
15K
9.32 mi13:08:371:38:1910:3331:03
10:00
-1:35
20K
12.43 mi13:41:502:11:3210:3633:13
10:42
+0:42
HALF
13.11 mi13:48:152:17:5710:326:25
9:25
-1:17
25K
15.53 mi14:14:052:43:4710:3325:50
10:40
+1:15
30K
18.64 mi14:46:443:16:2610:3332:39
10:31
-0:09
20M
20.00 mi15:00:493:30:3110:3214:05
10:23
-0:08
21M
21.00 mi15:11:363:41:1810:3310:47
10:47
+0:24
35K
21.75 mi15:18:293:48:1110:306:53
9:13
-1:34
23M
23.00 mi15:31:074:00:4910:2912:38
10:06
+0:53
24M
24.00 mi15:40:514:10:3310:279:44
9:44
-0:22
40K
24.85 mi15:49:334:19:1510:268:42
10:11
+0:27
25.2M
25.20 mi15:52:414:22:2310:253:08
9:06
-1:05
FINISH
26.22 mi16:00:334:30:1510:197:52
7:44
-1:22

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:44 /mi

Average Pace

10:19 /mi

Slowest Pace

11:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

24:18

9% of race

Time at Steady Pace

2:20:09

52% of race

Time at Slower Pace

1:45:48

39% of race

Average Pace: 10:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:01:3631:1810:0531:18
10:05
#26150
10K
6.21 mi12:37:341:07:1610:5035:58
11:35
#27588
15K
9.32 mi13:08:371:38:1910:3331:03
10:00
#26980
20K
12.43 mi13:41:502:11:3210:3633:13
10:42
#26839
HALF
13.11 mi13:48:152:17:5710:326:25
9:25
#26709
25K
15.53 mi14:14:052:43:4710:3325:50
10:40
#26556
30K
18.64 mi14:46:443:16:2610:3332:39
10:31
#26192
20M
20.00 mi15:00:493:30:3110:3214:05
10:23
#26017
21M
21.00 mi15:11:363:41:1810:3310:47
10:47
#25834
35K
21.75 mi15:18:293:48:1110:306:53
9:13
#25691
23M
23.00 mi15:31:074:00:4910:2912:38
10:06
#25514
24M
24.00 mi15:40:514:10:3310:279:44
9:44
#25381
40K
24.85 mi15:49:334:19:1510:268:42
10:11
#25263
25.2M
25.20 mi15:52:414:22:2310:253:08
9:06
#25183
FINISH
26.22 mi16:00:334:30:1510:197:52
7:44
#24901
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi26150152621526225671(Top 88%)15032(Top 92%)15032(Top 684%)
10K6.21 mi3.10 mi27588-143815857-59515857-59528297(Top 98%)16106(Top 99%)16106(Top 733%)
15K9.32 mi3.11 mi26980+60815606+25115606+25125671(Top 88%)15032(Top 92%)15032(Top 684%)
20K12.43 mi3.11 mi26839+14115535+7115535+7126502(Top 91%)15367(Top 94%)15367(Top 699%)
HALF13.11 mi0.68 mi26709+13015468+6715468+6724130(Top 83%)14282(Top 87%)14282(Top 650%)
25K15.53 mi2.42 mi26556+15315404+6415404+6425753(Top 89%)15005(Top 92%)15005(Top 683%)
30K18.64 mi3.11 mi26192+36415213+19115213+19124309(Top 84%)14211(Top 87%)14211(Top 647%)
20M20.00 mi1.36 mi26017+17515138+7515138+7523525(Top 81%)13780(Top 84%)13780(Top 627%)
21M21.00 mi1.00 mi25834+18315027+11115027+11122632(Top 78%)13331(Top 82%)13331(Top 607%)
35K21.75 mi0.75 mi25691+14314952+7514952+7520805(Top 72%)12392(Top 76%)12392(Top 564%)
23M23.00 mi1.25 mi25514+17714852+10014852+10022400(Top 77%)13119(Top 80%)13119(Top 597%)
24M24.00 mi1.00 mi25381+13314783+6914783+6922063(Top 76%)12909(Top 79%)12909(Top 587%)
40K24.85 mi0.85 mi25263+11814708+7514708+7522394(Top 77%)13015(Top 80%)13015(Top 592%)
25.2M25.20 mi0.35 mi25183+8014665+4314665+4315208(Top 52%)9623(Top 59%)9623(Top 438%)
FINISH26.22 mi1.02 mi24901+28214531+13414531+13413125(Top 45%)8643(Top 53%)8643(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
Γ—21
+97ft-345ft

Overall

25671

Males

15032

M40-44

15032

5K→10K

3.1 - 6.2 mi

Top 98%
Γ—5
+79ft-138ft

Overall

28297

Males

16106

M40-44

16106

10K→15K

6.2 - 9.3 mi

Top 88%
Γ—3
+67ft-78ft

Overall

25671

Males

15032

M40-44

15032

15K→20K

9.3 - 12.4 mi

Top 91%
Γ—5
+106ft-86ft

Overall

26502

Males

15367

M40-44

15367

20K→HALF

12.4 - 13.1 mi

Top 83%
Γ—2
+19ft-37ft

Overall

24130

Males

14282

M40-44

14282

HALF→25K

13.1 - 15.5 mi

Top 89%
Γ—4
+66ft-88ft

Overall

25753

Males

15005

M40-44

15005

25K→30K

15.5 - 18.6 mi

Top 84%
Γ—9
+181ft-148ft

Overall

24309

Males

14211

M40-44

14211

30K→20M

18.6 - 20.0 mi

Top 81%
Γ—5
+64ft-50ft

Overall

23525

Males

13780

M40-44

13780

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22632

Males

13331

M40-44

13331

21M→35K

21.0 - 21.8 mi

Top 72%
Γ—7
+17ft-86ft

Overall

20805

Males

12392

M40-44

12392

35K→23M

21.8 - 23.0 mi

Top 77%
Γ—5
+23ft-63ft

Overall

22400

Males

13119

M40-44

13119

23M→24M

23.0 - 24.0 mi

Top 76%
Γ—6
+12ft-82ft

Overall

22063

Males

12909

M40-44

12909

24M→40K

24.0 - 24.9 mi

Top 77%
Γ—1
+6ft-20ft

Overall

22394

Males

13015

M40-44

13015

40K→25.2M

24.9 - 25.2 mi

Top 52%
Γ—1
+13ft-16ft

Overall

15208

Males

9623

M40-44

9623

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
Γ—2
+22ft-21ft

Overall

13125

Males

8643

M40-44

8643

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2763*
Passed By
273
Net Change
+1249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26150
5K β†’ 10K3200-1438#26150#27588
10K β†’ 15K611*3+608#27588#26980
15K β†’ 20K18746+141#26980#26839
20K β†’ HALF1300+130#26839#26709
HALF β†’ 25K16714+153#26709#26556
25K β†’ 30K367*3+364#26556#26192
30K β†’ 20M1772+175#26192#26017
20M β†’ 21M1841+183#26017#25834
21M β†’ 35K1430+143#25834#25691
35K β†’ 23M1781+177#25691#25514
23M β†’ 24M1330+133#25514#25381
24M β†’ 40K1202+118#25381#25263
40K β†’ 25.2M811+80#25263#25183
25.2M β†’ FINISH282*0+282#25183#24901
TOTALS2763*273+1249

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing