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BOSTON MARATHON 2026

Alexa Carlson

Bib: 27115β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
32:21
3.11 mi
Rank: #26997
Start β†’ 5K
32:21 | 10:25/mi
10K
1:03:46
6.21 mi
Rank: #26531 (+466)
5K β†’ 10K
31:25 | 10:07/mi
15K
1:36:26
9.32 mi
Rank: #26595 (-64)
10K β†’ 15K
32:40 | 10:31/mi
20K
2:14:32
12.43 mi
Rank: #27256 (-661)
15K β†’ 20K
38:06 | 12:16/mi
HALF
2:22:38
13.11 mi
Rank: #27335 (-79)
20K β†’ HALF
8:06 | 11:53/mi
25K
2:48:00
15.53 mi
Rank: #27034 (+301)
HALF β†’ 25K
25:22 | 10:28/mi
30K
3:24:37
18.64 mi
Rank: #26959 (+75)
25K β†’ 30K
36:37 | 11:48/mi
20M
3:39:26
20.00 mi
Rank: #26813 (+146)
30K β†’ 20M
14:49 | 10:55/mi
21M
3:51:35
21.00 mi
Rank: #26739 (+74)
20M β†’ 21M
12:09 | 12:09/mi
35K
4:01:07
21.75 mi
Rank: #26796 (-57)
21M β†’ 35K
9:32 | 12:45/mi
23M
4:15:21
23.00 mi
Rank: #26705 (+91)
35K β†’ 23M
14:14 | 11:23/mi
24M
4:26:10
24.00 mi
Rank: #26637 (+68)
23M β†’ 24M
10:49 | 10:49/mi
40K
4:36:11
24.85 mi
Rank: #26610 (+27)
24M β†’ 40K
10:01 | 11:43/mi
25.2M
4:40:23
25.20 mi
Rank: #26579 (+31)
40K β†’ 25.2M
4:12 | 12:11/mi
FINISH
4:51:01
26.22 mi
Rank: #26538 (+41)
25.2M β†’ FINISH
10:38 | 10:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:22:38
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:28:23
Pace11:20 /mi
πŸ“ŠPositive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2532:2110:2532:21
10:25
-
10K
6.21 mi12:25:501:03:4610:1631:25
10:07
-0:18
15K
9.32 mi12:58:301:36:2610:2132:40
10:31
+0:24
20K
12.43 mi13:36:362:14:3210:5038:06
12:16
+1:45
HALF
13.11 mi13:44:422:22:3810:538:06
11:53
-0:23
25K
15.53 mi14:10:042:48:0010:4925:22
10:28
-1:25
30K
18.64 mi14:46:413:24:3710:5936:37
11:48
+1:20
20M
20.00 mi15:01:303:39:2610:5914:49
10:55
-0:53
21M
21.00 mi15:13:393:51:3511:0212:09
12:09
+1:14
35K
21.75 mi15:23:114:01:0711:069:32
12:45
+0:36
23M
23.00 mi15:37:254:15:2111:0714:14
11:23
-1:22
24M
24.00 mi15:48:144:26:1011:0610:49
10:49
-0:34
40K
24.85 mi15:58:154:36:1111:0710:01
11:43
+0:54
25.2M
25.20 mi16:02:274:40:2311:084:12
12:11
+0:28
FINISH
26.22 mi16:13:054:51:0111:0710:38
10:27
-1:44

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

10:07 /mi

Average Pace

11:06 /mi

Slowest Pace

12:45 /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

2:38:04

54% of race

Time at Steady Pace

24:15

8% of race

Time at Slower Pace

1:48:42

37% of race

Average Pace: 11:06 /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 mi11:54:2532:2110:2532:21
10:25
#26997
10K
6.21 mi12:25:501:03:4610:1631:25
10:07
#26531
15K
9.32 mi12:58:301:36:2610:2132:40
10:31
#26595
20K
12.43 mi13:36:362:14:3210:5038:06
12:16
#27256
HALF
13.11 mi13:44:422:22:3810:538:06
11:53
#27335
25K
15.53 mi14:10:042:48:0010:4925:22
10:28
#27034
30K
18.64 mi14:46:413:24:3710:5936:37
11:48
#26959
20M
20.00 mi15:01:303:39:2610:5914:49
10:55
#26813
21M
21.00 mi15:13:393:51:3511:0212:09
12:09
#26739
35K
21.75 mi15:23:114:01:0711:069:32
12:45
#26796
23M
23.00 mi15:37:254:15:2111:0714:14
11:23
#26705
24M
24.00 mi15:48:144:26:1011:0610:49
10:49
#26637
40K
24.85 mi15:58:154:36:1111:0710:01
11:43
#26610
25.2M
25.20 mi16:02:274:40:2311:084:12
12:11
#26579
FINISH
26.22 mi16:13:054:51:0111:0710:38
10:27
#26538
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26997112771127726722(Top 92%)11141(Top 89%)11141(Top 195%)
10K6.21 mi3.10 mi26531+46611011+26611011+26626124(Top 90%)10789(Top 86%)10789(Top 189%)
15K9.32 mi3.11 mi26595-6411050-3911050-3926722(Top 92%)11141(Top 89%)11141(Top 195%)
20K12.43 mi3.11 mi27256-66111445-39511445-39528226(Top 97%)12060(Top 96%)12060(Top 211%)
HALF13.11 mi0.68 mi27335-7911499-5411499-5428202(Top 97%)12079(Top 96%)12079(Top 211%)
25K15.53 mi2.42 mi27034+30111328+17111328+17125367(Top 87%)10442(Top 83%)10442(Top 183%)
30K18.64 mi3.11 mi26959+7511318+1011318+1026505(Top 91%)11175(Top 89%)11175(Top 196%)
20M20.00 mi1.36 mi26813+14611237+8111237+8124754(Top 85%)10317(Top 82%)10317(Top 180%)
21M21.00 mi1.00 mi26739+7411197+4011197+4025297(Top 87%)10659(Top 85%)10659(Top 186%)
35K21.75 mi0.75 mi26796-5711240-4311240-4327505(Top 95%)11815(Top 94%)11815(Top 207%)
23M23.00 mi1.25 mi26705+9111203+3711203+3725232(Top 87%)10692(Top 85%)10692(Top 187%)
24M24.00 mi1.00 mi26637+6811177+2611177+2624755(Top 85%)10478(Top 83%)10478(Top 183%)
40K24.85 mi0.85 mi26610+2711167+1011167+1025473(Top 88%)10890(Top 87%)10890(Top 191%)
25.2M25.20 mi0.35 mi26579+3111159+811159+824809(Top 85%)10555(Top 84%)10555(Top 185%)
FINISH26.22 mi1.02 mi26538+4111146+1311146+1324947(Top 86%)10611(Top 84%)10611(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26722

Females

11141

F18-39

11141

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26124

Females

10789

F18-39

10789

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26722

Females

11141

F18-39

11141

15K→20K

9.3 - 12.4 mi

Top 97%
Γ—5
+106ft-86ft

Overall

28226

Females

12060

F18-39

12060

20K→HALF

12.4 - 13.1 mi

Top 97%
Γ—2
+19ft-37ft

Overall

28202

Females

12079

F18-39

12079

HALF→25K

13.1 - 15.5 mi

Top 87%
Γ—4
+66ft-88ft

Overall

25367

Females

10442

F18-39

10442

25K→30K

15.5 - 18.6 mi

Top 91%
Γ—9
+181ft-148ft

Overall

26505

Females

11175

F18-39

11175

30K→20M

18.6 - 20.0 mi

Top 85%
Γ—5
+64ft-50ft

Overall

24754

Females

10317

F18-39

10317

20M→21M

20.0 - 21.0 mi

Top 87%
Γ—8
+106ft-24ft

Overall

25297

Females

10659

F18-39

10659

21M→35K

21.0 - 21.8 mi

Top 95%
Γ—7
+17ft-86ft

Overall

27505

Females

11815

F18-39

11815

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25232

Females

10692

F18-39

10692

23M→24M

23.0 - 24.0 mi

Top 85%
Γ—6
+12ft-82ft

Overall

24755

Females

10478

F18-39

10478

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25473

Females

10890

F18-39

10890

40K→25.2M

24.9 - 25.2 mi

Top 85%
Γ—1
+13ft-16ft

Overall

24809

Females

10555

F18-39

10555

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
Γ—2
+22ft-21ft

Overall

24947

Females

10611

F18-39

10611

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1615
Passed By
1156
Net Change
+459
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26997
5K β†’ 10K50135+466#26997#26531
10K β†’ 15K103167-64#26531#26595
15K β†’ 20K12673-661#26595#27256
20K β†’ HALF786-79#27256#27335
HALF β†’ 25K3021+301#27335#27034
25K β†’ 30K14873+75#27034#26959
30K β†’ 20M1482+146#26959#26813
20M β†’ 21M773+74#26813#26739
21M β†’ 35K1067-57#26739#26796
35K β†’ 23M10312+91#26796#26705
23M β†’ 24M768+68#26705#26637
24M β†’ 40K3811+27#26637#26610
40K β†’ 25.2M365+31#26610#26579
25.2M β†’ FINISH5413+41#26579#26538
TOTALS16151156+459
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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing