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BOSTON MARATHON 2025

Madeline Tomseth

Bib: 16307•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:55
Rank: #13969
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
47:38
Rank: #13646 (+323)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:13
Rank: #13242 (+404)
10K → 15K
23:35 | 7:35/mi
20K· 12.43 mi
1:35:13
Rank: #13028 (+214)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:40:23
Rank: #12983 (+45)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:58:58
Rank: #12676 (+307)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:23:54
Rank: #12430 (+246)
25K → 30K
24:56 | 8:02/mi
20M
2:34:59
Rank: #12318 (+112)
30K → 20M
11:05 | 8:09/mi
21M
2:43:32
Rank: #12202 (+116)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:49:43
Rank: #12252 (-50)
21M → 35K
6:11 | 8:16/mi
23M
3:00:26
Rank: #12319 (-67)
35K → 23M
10:43 | 8:34/mi
24M
3:09:27
Rank: #12591 (-272)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:17:08
Rank: #12749 (-158)
24M → 40K
7:41 | 8:59/mi
25.2M
3:20:39
Rank: #12862 (-113)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:29:31
Rank: #13085 (-223)
25.2M → Finish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1023:557:4223:55
7:42
-
10K
6.21 mi11:20:5347:387:4023:43
7:38
-0:04
15K
9.32 mi11:44:281:11:137:3823:35
7:35
-0:03
20K
12.43 mi12:08:281:35:137:4024:00
7:43
+0:08
Half
13.11 mi12:13:381:40:237:395:10
7:34
-0:09
25K
15.53 mi12:32:131:58:587:3918:35
7:40
+0:06
30K
18.64 mi12:57:092:23:547:4324:56
8:02
+0:22
20M
20.00 mi13:08:142:34:597:4511:05
8:09
+0:07
21M
21.00 mi13:16:472:43:327:478:33
8:33
+0:24
35K
21.75 mi13:22:582:49:437:486:11
8:16
-0:17
23M
23.00 mi13:33:413:00:267:5110:43
8:34
+0:18
24M
24.00 mi13:42:423:09:277:549:01
9:01
+0:27
40K
24.85 mi13:50:233:17:087:567:41
8:59
-0:02
25.2M
25.20 mi13:53:543:20:397:583:31
10:12
+1:13
Finish
26.22 mi14:02:463:29:318:008:52
8:42
-1:30

Checkpoints & Pacing

📈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

7:34 /mi

Average Pace

8:00 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:58

57% of race

Time at Steady Pace

42:12

20% of race

Time at Slower Pace

48:21

23% of race

Average Pace: 7:59 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:57:1023:557:4223:55
7:42
#13969
10K
6.21 mi11:20:5347:387:4023:43
7:38
#13646
15K
9.32 mi11:44:281:11:137:3823:35
7:35
#13242
20K
12.43 mi12:08:281:35:137:4024:00
7:43
#13028
Half
13.11 mi12:13:381:40:237:395:10
7:34
#12983
25K
15.53 mi12:32:131:58:587:3918:35
7:40
#12676
30K
18.64 mi12:57:092:23:547:4324:56
8:02
#12430
20M
20.00 mi13:08:142:34:597:4511:05
8:09
#12318
21M
21.00 mi13:16:472:43:327:478:33
8:33
#12202
35K
21.75 mi13:22:582:49:437:486:11
8:16
#12252
23M
23.00 mi13:33:413:00:267:5110:43
8:34
#12319
24M
24.00 mi13:42:423:09:277:549:01
9:01
#12591
40K
24.85 mi13:50:233:17:087:567:41
8:59
#12749
25.2M
25.20 mi13:53:543:20:397:583:31
10:12
#12862
Finish
26.22 mi14:02:463:29:318:008:52
8:42
#13085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139693890389012540(Top 44%)3187(Top 26%)3187(Top 58%)
10K6.21 mi3.10 mi13646+3233732+1583732+15813322(Top 47%)3565(Top 29%)3565(Top 65%)
15K9.32 mi3.11 mi13242+4043539+1933539+19312540(Top 44%)3187(Top 26%)3187(Top 58%)
20K12.43 mi3.11 mi13028+2143464+753464+7512640(Top 45%)3351(Top 27%)3351(Top 61%)
Half13.11 mi0.68 mi12983+453437+273437+2712436(Top 44%)3203(Top 26%)3203(Top 59%)
25K15.53 mi2.42 mi12676+3073292+1453292+14511297(Top 40%)2746(Top 22%)2746(Top 50%)
30K18.64 mi3.11 mi12430+2463231+613231+6111594(Top 41%)3095(Top 25%)3095(Top 57%)
20M20.00 mi1.36 mi12318+1123206+253206+2511540(Top 41%)3209(Top 26%)3209(Top 59%)
21M21.00 mi1.00 mi12202+1163184+223184+2210835(Top 38%)3022(Top 25%)3022(Top 55%)
35K21.75 mi0.75 mi12252-503233-493233-4914052(Top 49%)4688(Top 38%)4688(Top 86%)
23M23.00 mi1.25 mi12319-673306-733306-7313678(Top 48%)4629(Top 38%)4629(Top 85%)
24M24.00 mi1.00 mi12591-2723470-1643470-16417453(Top 61%)6730(Top 55%)6730(Top 123%)
40K24.85 mi0.85 mi12749-1583590-1203590-12016230(Top 57%)6162(Top 50%)6162(Top 113%)
25.2M25.20 mi0.35 mi12862-1133669-793669-7917877(Top 63%)7055(Top 58%)7055(Top 129%)
Finish26.22 mi1.02 mi13085-2233809-1403809-14017474(Top 62%)6796(Top 56%)6796(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12540

Females

3187

F18-39

3187

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13322

Females

3565

F18-39

3565

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12540

Females

3187

F18-39

3187

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12640

Females

3351

F18-39

3351

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12436

Females

3203

F18-39

3203

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11297

Females

2746

F18-39

2746

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11594

Females

3095

F18-39

3095

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11540

Females

3209

F18-39

3209

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10835

Females

3022

F18-39

3022

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

14052

Females

4688

F18-39

4688

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13678

Females

4629

F18-39

4629

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17453

Females

6730

F18-39

6730

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16230

Females

6162

F18-39

6162

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17877

Females

7055

F18-39

7055

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17474

Females

6796

F18-39

6796

Passing Analysis

Category:
Athletes Passed
2548
Passed By
1664
Net Change
+884
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13969
5K → 10K471148+323#13969#13646
10K → 15K44844+404#13646#13242
15K → 20K314100+214#13242#13028
20K → Half6722+45#13028#12983
Half → 25K33225+307#12983#12676
25K → 30K351105+246#12676#12430
30K → 20M16755+112#12430#12318
20M → 21M16448+116#12318#12202
21M → 35K4494-50#12202#12252
35K → 23M89156-67#12252#12319
23M → 24M24296-272#12319#12591
24M → 40K42200-158#12591#12749
40K → 25.2M11124-113#12749#12862
25.2M → Finish24247-223#12862#13085
TOTALS25481664+884
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing