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BOSTON MARATHON 2026

Emily Welsh

Bib: 26743•F

MA

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0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
33:28
3.11 mi
Rank: #27666
Start → 5K
33:28 | 10:47/mi
10K
1:06:34
6.21 mi
Rank: #27421 (+245)
5K → 10K
33:06 | 10:40/mi
15K
1:40:28
9.32 mi
Rank: #27394 (+27)
10K → 15K
33:54 | 10:55/mi
20K
2:14:41
12.43 mi
Rank: #27276
15K → 20K
34:13 | 11:01/mi
HALF
2:22:22
13.11 mi
Rank: #27300
20K → HALF
7:41 | 11:17/mi
25K
2:51:49
15.53 mi
Rank: #27394
HALF → 25K
29:27 | 12:09/mi
30K
3:32:20
18.64 mi
Rank: #27518
25K → 30K
40:31 | 13:03/mi
20M
3:51:05
20.00 mi
Rank: #27596
30K → 20M
18:45 | 13:49/mi
21M
4:04:29
21.00 mi
Rank: #27569
20M → 21M
13:24 | 13:24/mi
35K
4:13:17
21.75 mi
Rank: #27532
21M → 35K
8:48 | 11:46/mi
23M
4:29:15
23.00 mi
Rank: #27527
35K → 23M
15:58 | 12:46/mi
24M
4:40:24
24.00 mi
Rank: #27462
23M → 24M
11:09 | 11:09/mi
40K
4:51:25
24.85 mi
Rank: #27442
24M → 40K
11:01 | 12:54/mi
25.2M
4:56:16
25.20 mi
Rank: #27442
40K → 25.2M
4:51 | 14:04/mi
FINISH
5:06:59
26.22 mi
Rank: #27389
25.2M → FINISH
10:43 | 10:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:22:22
Pace10:52 /mi
2nd Half
Distance13.11 mi
Time2:44:37
Pace12:34 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3533:2810:4733:28
10:47
-
10K
6.21 mi12:27:411:06:3410:4333:06
10:40
-0:07
15K
9.32 mi13:01:351:40:2810:4733:54
10:55
+0:15
20K
12.43 mi13:35:482:14:4110:5134:13
11:01
+0:06
HALF
13.11 mi13:43:292:22:2210:527:41
11:17
+0:16
25K
15.53 mi14:12:562:51:4911:0429:27
12:09
+0:52
30K
18.64 mi14:53:273:32:2011:2440:31
13:03
+0:54
20M
20.00 mi15:12:123:51:0511:3418:45
13:49
+0:46
21M
21.00 mi15:25:364:04:2911:3913:24
13:24
-0:25
35K
21.75 mi15:34:244:13:1711:398:48
11:46
-1:38
23M
23.00 mi15:50:224:29:1511:4315:58
12:46
+1:00
24M
24.00 mi16:01:314:40:2411:4211:09
11:09
-1:37
40K
24.85 mi16:12:324:51:2511:4411:01
12:54
+1:45
25.2M
25.20 mi16:17:234:56:1611:464:51
14:04
+1:10
FINISH
26.22 mi16:28:065:06:5911:4410:43
10:31
-3:33

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

10:31 /mi

Average Pace

11:43 /mi

Slowest Pace

14:04 /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

2:36:33

51% of race

Time at Steady Pace

45:56

15% of race

Time at Slower Pace

1:44:30

34% of race

Average Pace: 11:42 /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 mi11:54:3533:2810:4733:28
10:47
#27666
10K
6.21 mi12:27:411:06:3410:4333:06
10:40
#27421
15K
9.32 mi13:01:351:40:2810:4733:54
10:55
#27394
20K
12.43 mi13:35:482:14:4110:5134:13
11:01
#27276
HALF
13.11 mi13:43:292:22:2210:527:41
11:17
#27300
25K
15.53 mi14:12:562:51:4911:0429:27
12:09
#27394
30K
18.64 mi14:53:273:32:2011:2440:31
13:03
#27518
20M
20.00 mi15:12:123:51:0511:3418:45
13:49
#27596
21M
21.00 mi15:25:364:04:2911:3913:24
13:24
#27569
35K
21.75 mi15:34:244:13:1711:398:48
11:46
#27532
23M
23.00 mi15:50:224:29:1511:4315:58
12:46
#27527
24M
24.00 mi16:01:314:40:2411:4211:09
11:09
#27462
40K
24.85 mi16:12:324:51:2511:4411:01
12:54
#27442
25.2M
25.20 mi16:17:234:56:1611:464:51
14:04
#27442
FINISH
26.22 mi16:28:065:06:5911:4410:43
10:31
#27389
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 mi27666116611166127325(Top 94%)11505(Top 91%)11505(Top 201%)
10K6.21 mi3.10 mi27421+24511532+12911532+12927193(Top 94%)11412(Top 91%)11412(Top 200%)
15K9.32 mi3.11 mi27394+2711535-311535-327325(Top 94%)11505(Top 91%)11505(Top 201%)
20K12.43 mi3.11 mi27276+11811456+7911456+7926979(Top 93%)11299(Top 90%)11299(Top 198%)
HALF13.11 mi0.68 mi27300-2411478-2211478-2227652(Top 95%)11736(Top 93%)11736(Top 205%)
25K15.53 mi2.42 mi27394-9411543-6511543-6527643(Top 95%)11747(Top 93%)11747(Top 206%)
30K18.64 mi3.11 mi27518-12411645-10211645-10227744(Top 96%)11858(Top 94%)11858(Top 207%)
20M20.00 mi1.36 mi27596-7811694-4911694-4928004(Top 96%)12050(Top 96%)12050(Top 211%)
21M21.00 mi1.00 mi27569+2711686+811686+826776(Top 92%)11429(Top 91%)11429(Top 200%)
35K21.75 mi0.75 mi27532+3711669+1711669+1726462(Top 91%)11278(Top 90%)11278(Top 197%)
23M23.00 mi1.25 mi27527+511679-1011679-1027078(Top 93%)11628(Top 92%)11628(Top 203%)
24M24.00 mi1.00 mi27462+6511648+3111648+3125395(Top 88%)10805(Top 86%)10805(Top 189%)
40K24.85 mi0.85 mi27442+2011643+511643+526953(Top 93%)11614(Top 92%)11614(Top 203%)
25.2M25.20 mi0.35 mi2744211644-111644-127273(Top 94%)11773(Top 94%)11773(Top 206%)
FINISH26.22 mi1.02 mi27389+5311615+2911615+2925120(Top 87%)10703(Top 85%)10703(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21
+97ft-345ft

Overall

27325

Females

11505

F18-39

11505

5K→10K

3.1 - 6.2 mi

Top 94%
×5
+79ft-138ft

Overall

27193

Females

11412

F18-39

11412

10K→15K

6.2 - 9.3 mi

Top 94%
×3
+67ft-78ft

Overall

27325

Females

11505

F18-39

11505

15K→20K

9.3 - 12.4 mi

Top 93%
×5
+106ft-86ft

Overall

26979

Females

11299

F18-39

11299

20K→HALF

12.4 - 13.1 mi

Top 95%
×2
+19ft-37ft

Overall

27652

Females

11736

F18-39

11736

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27643

Females

11747

F18-39

11747

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27744

Females

11858

F18-39

11858

30K→20M

18.6 - 20.0 mi

Top 96%
×5
+64ft-50ft

Overall

28004

Females

12050

F18-39

12050

20M→21M

20.0 - 21.0 mi

Top 92%
×8
+106ft-24ft

Overall

26776

Females

11429

F18-39

11429

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26462

Females

11278

F18-39

11278

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

27078

Females

11628

F18-39

11628

23M→24M

23.0 - 24.0 mi

Top 88%
×6
+12ft-82ft

Overall

25395

Females

10805

F18-39

10805

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

26953

Females

11614

F18-39

11614

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27273

Females

11773

F18-39

11773

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25120

Females

10703

F18-39

10703

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 2 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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