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BOSTON MARATHON 2026

Alex Balsiger

Bib: 901β€’M

CO

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 4%
Gender (Male)
#0 / 16340
Top 7%
Age Group (M18-39)
#0 / 5723
Top 17%
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
18:11
3.11 mi
Rank: #743
Start β†’ 5K
18:11 | 5:52/mi
10K
36:03
6.21 mi
Rank: #667 (+76)
5K β†’ 10K
17:52 | 5:46/mi
15K
54:10
9.32 mi
Rank: #678 (-11)
10K β†’ 15K
18:07 | 5:50/mi
20K
1:12:42
12.43 mi
Rank: #746 (-68)
15K β†’ 20K
18:32 | 5:58/mi
HALF
1:16:42
13.11 mi
Rank: #755 (-9)
20K β†’ HALF
4:00 | 5:53/mi
25K
1:31:23
15.53 mi
Rank: #800 (-45)
HALF β†’ 25K
14:41 | 6:04/mi
30K
1:50:49
18.64 mi
Rank: #880 (-80)
25K β†’ 30K
19:26 | 6:16/mi
20M
1:59:35
20.00 mi
Rank: #961 (-81)
30K β†’ 20M
8:46 | 6:28/mi
21M
2:06:27
21.00 mi
Rank: #1020 (-59)
20M β†’ 21M
6:52 | 6:52/mi
35K
2:11:03
21.75 mi
Rank: #1037 (-17)
21M β†’ 35K
4:36 | 6:09/mi
23M
2:19:17
23.00 mi
Rank: #1092 (-55)
35K β†’ 23M
8:14 | 6:35/mi
24M
2:25:43
24.00 mi
Rank: #1140 (-48)
23M β†’ 24M
6:26 | 6:26/mi
40K
2:31:15
24.85 mi
Rank: #1171 (-31)
24M β†’ 40K
5:32 | 6:29/mi
25.2M
2:33:32
25.20 mi
Rank: #1171
40K β†’ 25.2M
2:17 | 6:38/mi
FINISH
2:39:45
26.22 mi
Rank: #1181 (-10)
25.2M β†’ FINISH
6:13 | 6:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:16:42
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:23:03
Pace6:21 /mi
πŸ“ŠPositive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3818:115:5218:11
5:52
-
10K
6.21 mi10:36:3036:035:4917:52
5:46
-0:06
15K
9.32 mi10:54:3754:105:4918:07
5:50
+0:04
20K
12.43 mi11:13:091:12:425:5118:32
5:58
+0:08
HALF
13.11 mi11:17:091:16:425:524:00
5:53
-0:05
25K
15.53 mi11:31:501:31:235:5314:41
6:04
+0:11
30K
18.64 mi11:51:161:50:495:5719:26
6:16
+0:12
20M
20.00 mi12:00:021:59:355:598:46
6:28
+0:12
21M
21.00 mi12:06:542:06:276:026:52
6:52
+0:24
35K
21.75 mi12:11:302:11:036:024:36
6:09
-0:43
23M
23.00 mi12:19:442:19:176:048:14
6:35
+0:26
24M
24.00 mi12:26:102:25:436:056:26
6:26
-0:09
40K
24.85 mi12:31:422:31:156:065:32
6:29
+0:03
25.2M
25.20 mi12:33:592:33:326:062:17
6:38
+0:09
FINISH
26.22 mi12:40:122:39:456:066:13
6:07
-0:31

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

5:46 /mi

Average Pace

6:06 /mi

Slowest Pace

6:52 /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

2:01:38

76% of race

Time at Steady Pace

31:15

20% of race

Time at Slower Pace

6:52

4% of race

Average Pace: 6:06 /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 mi10:18:3818:115:5218:11
5:52
#743
10K
6.21 mi10:36:3036:035:4917:52
5:46
#667
15K
9.32 mi10:54:3754:105:4918:07
5:50
#678
20K
12.43 mi11:13:091:12:425:5118:32
5:58
#746
HALF
13.11 mi11:17:091:16:425:524:00
5:53
#755
25K
15.53 mi11:31:501:31:235:5314:41
6:04
#800
30K
18.64 mi11:51:161:50:495:5719:26
6:16
#880
20M
20.00 mi12:00:021:59:355:598:46
6:28
#961
21M
21.00 mi12:06:542:06:276:026:52
6:52
#1020
35K
21.75 mi12:11:302:11:036:024:36
6:09
#1037
23M
23.00 mi12:19:442:19:176:048:14
6:35
#1092
24M
24.00 mi12:26:102:25:436:056:26
6:26
#1140
40K
24.85 mi12:31:422:31:156:065:32
6:29
#1171
25.2M
25.20 mi12:33:592:33:326:062:17
6:38
#1171
FINISH
26.22 mi12:40:122:39:456:066:13
6:07
#1181
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 mi743704704733(Top 3%)701(Top 4%)701(Top 12%)
10K6.21 mi3.10 mi667+76632+72632+72594(Top 2%)568(Top 3%)568(Top 10%)
15K9.32 mi3.11 mi678-11644-12644-12733(Top 3%)701(Top 4%)701(Top 12%)
20K12.43 mi3.11 mi746-68712-68712-681029(Top 4%)991(Top 6%)991(Top 17%)
HALF13.11 mi0.68 mi755-9721-9721-9921(Top 3%)885(Top 5%)885(Top 15%)
25K15.53 mi2.42 mi800-45764-43764-431280(Top 4%)1233(Top 8%)1233(Top 22%)
30K18.64 mi3.11 mi880-80843-79843-791454(Top 5%)1401(Top 9%)1401(Top 24%)
20M20.00 mi1.36 mi961-81923-80923-802156(Top 7%)2054(Top 13%)2054(Top 36%)
21M21.00 mi1.00 mi1020-59976-53976-532720(Top 9%)2544(Top 16%)2544(Top 44%)
35K21.75 mi0.75 mi1037-17993-17993-171752(Top 6%)1672(Top 10%)1672(Top 29%)
23M23.00 mi1.25 mi1092-551047-541047-542769(Top 10%)2574(Top 16%)2574(Top 45%)
24M24.00 mi1.00 mi1140-481095-481095-482778(Top 10%)2544(Top 16%)2544(Top 44%)
40K24.85 mi0.85 mi1171-311125-301125-302392(Top 8%)2201(Top 13%)2201(Top 38%)
25.2M25.20 mi0.35 mi11711126-11126-11223(Top 4%)1154(Top 7%)1154(Top 20%)
FINISH26.22 mi1.02 mi1181-101136-101136-102027(Top 7%)1869(Top 11%)1869(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

733

Males

701

M18-39

701

5K→10K

3.1 - 6.2 mi

Top 2%
Γ—5
+79ft-138ft

Overall

594

Males

568

M18-39

568

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

733

Males

701

M18-39

701

15K→20K

9.3 - 12.4 mi

Top 4%
Γ—5
+106ft-86ft

Overall

1029

Males

991

M18-39

991

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

921

Males

885

M18-39

885

HALF→25K

13.1 - 15.5 mi

Top 4%
Γ—4
+66ft-88ft

Overall

1280

Males

1233

M18-39

1233

25K→30K

15.5 - 18.6 mi

Top 5%
Γ—9
+181ft-148ft

Overall

1454

Males

1401

M18-39

1401

30K→20M

18.6 - 20.0 mi

Top 7%
Γ—5
+64ft-50ft

Overall

2156

Males

2054

M18-39

2054

20M→21M

20.0 - 21.0 mi

Top 9%
Γ—8
+106ft-24ft

Overall

2720

Males

2544

M18-39

2544

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1752

Males

1672

M18-39

1672

35K→23M

21.8 - 23.0 mi

Top 10%
Γ—5
+23ft-63ft

Overall

2769

Males

2574

M18-39

2574

23M→24M

23.0 - 24.0 mi

Top 10%
Γ—6
+12ft-82ft

Overall

2778

Males

2544

M18-39

2544

24M→40K

24.0 - 24.9 mi

Top 8%
Γ—1
+6ft-20ft

Overall

2392

Males

2201

M18-39

2201

40K→25.2M

24.9 - 25.2 mi

Top 4%
Γ—1
+13ft-16ft

Overall

1223

Males

1154

M18-39

1154

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
Γ—2
+22ft-21ft

Overall

2027

Males

1869

M18-39

1869

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
224
Passed By
662
Net Change
-438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#743
5K β†’ 10K9317+76#743#667
10K β†’ 15K1930-11#667#678
15K β†’ 20K977-68#678#746
20K β†’ HALF211-9#746#755
HALF β†’ 25K1459-45#755#800
25K β†’ 30K1494-80#800#880
30K β†’ 20M384-81#880#961
20M β†’ 21M564-59#961#1020
21M β†’ 35K825-17#1020#1037
35K β†’ 23M1469-55#1037#1092
23M β†’ 24M856-48#1092#1140
24M β†’ 40K1041-31#1140#1171
40K β†’ 25.2M11110#1171#1171
25.2M β†’ FINISH1424-10#1171#1181
TOTALS224662-438
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Export Track Data

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

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing