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BOSTON MARATHON 2026

Zack Fitzsimmons

Bib: 6703•M

MA

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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°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
20:41
3.11 mi
Rank: #5488
Start → 5K
20:41 | 6:40/mi
10K
41:34
6.21 mi
Rank: #5793 (-305)
5K → 10K
20:53 | 6:44/mi
15K
1:02:13
9.32 mi
Rank: #5598 (+195)
10K → 15K
20:39 | 6:39/mi
20K
1:22:54
12.43 mi
Rank: #5377 (+221)
15K → 20K
20:41 | 6:40/mi
HALF
1:27:24
13.11 mi
Rank: #5349 (+28)
20K → HALF
4:30 | 6:37/mi
25K
1:43:31
15.53 mi
Rank: #5157 (+192)
HALF → 25K
16:07 | 6:39/mi
30K
2:04:27
18.64 mi
Rank: #4883 (+274)
25K → 30K
20:56 | 6:45/mi
20M
2:13:49
20.00 mi
Rank: #4852 (+31)
30K → 20M
9:22 | 6:54/mi
21M
2:20:57
21.00 mi
Rank: #4785 (+67)
20M → 21M
7:08 | 7:08/mi
35K
2:25:53
21.75 mi
Rank: #4751 (+34)
21M → 35K
4:56 | 6:36/mi
23M
2:34:40
23.00 mi
Rank: #4761 (-10)
35K → 23M
8:47 | 7:02/mi
24M
2:41:36
24.00 mi
Rank: #4799 (-38)
23M → 24M
6:56 | 6:56/mi
40K
2:47:52
24.85 mi
Rank: #4882 (-83)
24M → 40K
6:16 | 7:20/mi
25.2M
2:50:31
25.20 mi
Rank: #4894 (-12)
40K → 25.2M
2:39 | 7:42/mi
FINISH
2:57:19
26.22 mi
Rank: #4885 (+9)
25.2M → FINISH
6:48 | 6:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:27:24
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2520:416:4020:41
6:40
-
10K
6.21 mi10:47:1841:346:4220:53
6:44
+0:04
15K
9.32 mi11:07:571:02:136:4120:39
6:39
-0:05
20K
12.43 mi11:28:381:22:546:4120:41
6:40
+0:01
HALF
13.11 mi11:33:081:27:246:414:30
6:37
-0:03
25K
15.53 mi11:49:151:43:316:4016:07
6:39
+0:02
30K
18.64 mi12:10:112:04:276:4120:56
6:45
+0:06
20M
20.00 mi12:19:332:13:496:429:22
6:54
+0:09
21M
21.00 mi12:26:412:20:576:437:08
7:08
+0:14
35K
21.75 mi12:31:372:25:536:434:56
6:36
-0:32
23M
23.00 mi12:40:242:34:406:448:47
7:02
+0:26
24M
24.00 mi12:47:202:41:366:456:56
6:56
-0:06
40K
24.85 mi12:53:362:47:526:466:16
7:20
+0:24
25.2M
25.20 mi12:56:152:50:316:462:39
7:42
+0:22
FINISH
26.22 mi13:03:032:57:196:476:48
6:41
-1:01

Checkpoint Splits Visualizations

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

📈Pace 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

6:36 /mi

Average Pace

6:46 /mi

Slowest Pace

7:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:48:24

95% of race

Time at Steady Pace

8:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi10:26:2520:416:4020:41
6:40
#5488
10K
6.21 mi10:47:1841:346:4220:53
6:44
#5793
15K
9.32 mi11:07:571:02:136:4120:39
6:39
#5598
20K
12.43 mi11:28:381:22:546:4120:41
6:40
#5377
HALF
13.11 mi11:33:081:27:246:414:30
6:37
#5349
25K
15.53 mi11:49:151:43:316:4016:07
6:39
#5157
30K
18.64 mi12:10:112:04:276:4120:56
6:45
#4883
20M
20.00 mi12:19:332:13:496:429:22
6:54
#4852
21M
21.00 mi12:26:412:20:576:437:08
7:08
#4785
35K
21.75 mi12:31:372:25:536:434:56
6:36
#4751
23M
23.00 mi12:40:242:34:406:448:47
7:02
#4761
24M
24.00 mi12:47:202:41:366:456:56
6:56
#4799
40K
24.85 mi12:53:362:47:526:466:16
7:20
#4882
25.2M
25.20 mi12:56:152:50:316:462:39
7:42
#4894
FINISH
26.22 mi13:03:032:57:196:476:48
6:41
#4885
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5488507350735308(Top 18%)4917(Top 30%)4917(Top 86%)
10K6.21 mi3.10 mi5793-3055313-2405313-2406168(Top 21%)5589(Top 34%)5589(Top 98%)
15K9.32 mi3.11 mi5598+1955159+1545159+1545308(Top 18%)4917(Top 30%)4917(Top 86%)
20K12.43 mi3.11 mi5377+2214972+1874972+1874849(Top 17%)4521(Top 28%)4521(Top 79%)
HALF13.11 mi0.68 mi5349+284948+244948+245248(Top 18%)4825(Top 30%)4825(Top 84%)
25K15.53 mi2.42 mi5157+1924788+1604788+1604462(Top 15%)4162(Top 25%)4162(Top 73%)
30K18.64 mi3.11 mi4883+2744544+2444544+2443924(Top 14%)3656(Top 22%)3656(Top 64%)
20M20.00 mi1.36 mi4852+314511+334511+334794(Top 17%)4318(Top 26%)4318(Top 75%)
21M21.00 mi1.00 mi4785+674445+664445+664247(Top 15%)3809(Top 23%)3809(Top 67%)
35K21.75 mi0.75 mi4751+344408+374408+374201(Top 14%)3803(Top 23%)3803(Top 66%)
23M23.00 mi1.25 mi4761-104403+54403+55553(Top 19%)4787(Top 29%)4787(Top 84%)
24M24.00 mi1.00 mi4799-384426-234426-235993(Top 21%)5016(Top 31%)5016(Top 88%)
40K24.85 mi0.85 mi4882-834479-534479-537600(Top 26%)5935(Top 36%)5935(Top 104%)
25.2M25.20 mi0.35 mi4894-124483-44483-46255(Top 22%)5058(Top 31%)5058(Top 88%)
FINISH26.22 mi1.02 mi4885+94462+214462+215236(Top 18%)4344(Top 27%)4344(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5308

Males

4917

M18-39

4917

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6168

Males

5589

M18-39

5589

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5308

Males

4917

M18-39

4917

15K→20K

9.3 - 12.4 mi

Top 17%
×5
+106ft-86ft

Overall

4849

Males

4521

M18-39

4521

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5248

Males

4825

M18-39

4825

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4462

Males

4162

M18-39

4162

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

3924

Males

3656

M18-39

3656

30K→20M

18.6 - 20.0 mi

Top 17%
×5
+64ft-50ft

Overall

4794

Males

4318

M18-39

4318

20M→21M

20.0 - 21.0 mi

Top 15%
×8
+106ft-24ft

Overall

4247

Males

3809

M18-39

3809

21M→35K

21.0 - 21.8 mi

Top 14%
×7
+17ft-86ft

Overall

4201

Males

3803

M18-39

3803

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5553

Males

4787

M18-39

4787

23M→24M

23.0 - 24.0 mi

Top 21%
×6
+12ft-82ft

Overall

5993

Males

5016

M18-39

5016

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7600

Males

5935

M18-39

5935

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1
+13ft-16ft

Overall

6255

Males

5058

M18-39

5058

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
×2
+22ft-21ft

Overall

5236

Males

4344

M18-39

4344

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1548*
Passed By
753
Net Change
+603
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5488
5K → 10K87200-305#5488#5793
10K → 15K240*45+195#5793#5598
15K → 20K241*20+221#5598#5377
20K → HALF357+28#5377#5349
HALF → 25K208*16+192#5349#5157
25K → 30K289*15+274#5157#4883
30K → 20M7443+31#4883#4852
20M → 21M9023+67#4852#4785
21M → 35K5824+34#4785#4751
35K → 23M7080-10#4751#4761
23M → 24M4886-38#4761#4799
24M → 40K34117-83#4799#4882
40K → 25.2M2335-12#4882#4894
25.2M → FINISH5142+9#4894#4885
TOTALS1548*753+603

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing