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BOSTON MARATHON 2025

Madison Keefer

Bib: 11209•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #13382
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
46:44
Rank: #12323 (+1059)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:35
Rank: #11675 (+648)
10K → 15K
22:51 | 7:21/mi
20K· 12.43 mi
1:33:29
Rank: #11831 (-156)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:38:33
Rank: #11786 (+45)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:37
Rank: #11936 (-150)
Half → 25K
19:04 | 7:52/mi
30K· 18.64 mi
2:22:44
Rank: #11882 (+54)
25K → 30K
25:07 | 8:05/mi
20M
2:33:47
Rank: #11809 (+73)
30K → 20M
11:03 | 8:08/mi
21M
2:42:13
Rank: #11678 (+131)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:47:49
Rank: #11551 (+127)
21M → 35K
5:36 | 7:29/mi
23M
2:57:35
Rank: #11311 (+240)
35K → 23M
9:46 | 7:48/mi
24M
3:05:18
Rank: #11172 (+139)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:12:11
Rank: #11119 (+53)
24M → 40K
6:53 | 8:03/mi
25.2M
3:15:15
Rank: #11108 (+11)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:23:02
Rank: #11047 (+61)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:33
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3923:437:3823:43
7:38
-
10K
6.21 mi11:13:4046:447:3123:01
7:25
-0:13
15K
9.32 mi11:36:311:09:357:2822:51
7:21
-0:04
20K
12.43 mi12:00:251:33:297:3123:54
7:42
+0:21
Half
13.11 mi12:05:291:38:337:315:04
7:26
-0:16
25K
15.53 mi12:24:331:57:377:3419:04
7:52
+0:26
30K
18.64 mi12:49:402:22:447:3925:07
8:05
+0:13
20M
20.00 mi13:00:432:33:477:4111:03
8:08
+0:03
21M
21.00 mi13:09:092:42:137:438:26
8:26
+0:18
35K
21.75 mi13:14:452:47:497:435:36
7:29
-0:57
23M
23.00 mi13:24:312:57:357:439:46
7:48
+0:19
24M
24.00 mi13:32:143:05:187:437:43
7:43
-0:05
40K
24.85 mi13:39:073:12:117:446:53
8:03
+0:20
25.2M
25.20 mi13:42:113:15:157:453:04
8:54
+0:51
Finish
26.22 mi13:49:583:23:027:457:47
7:38
-1:16

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

7:21 /mi

Average Pace

7:45 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:32

28% of race

Time at Steady Pace

1:31:57

45% of race

Time at Slower Pace

54:33

27% of race

Average Pace: 7:45 /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 mi10:50:3923:437:3823:43
7:38
#13382
10K
6.21 mi11:13:4046:447:3123:01
7:25
#12323
15K
9.32 mi11:36:311:09:357:2822:51
7:21
#11675
20K
12.43 mi12:00:251:33:297:3123:54
7:42
#11831
Half
13.11 mi12:05:291:38:337:315:04
7:26
#11786
25K
15.53 mi12:24:331:57:377:3419:04
7:52
#11936
30K
18.64 mi12:49:402:22:447:3925:07
8:05
#11882
20M
20.00 mi13:00:432:33:477:4111:03
8:08
#11809
21M
21.00 mi13:09:092:42:137:438:26
8:26
#11678
35K
21.75 mi13:14:452:47:497:435:36
7:29
#11551
23M
23.00 mi13:24:312:57:357:439:46
7:48
#11311
24M
24.00 mi13:32:143:05:187:437:43
7:43
#11172
40K
24.85 mi13:39:073:12:117:446:53
8:03
#11119
25.2M
25.20 mi13:42:113:15:157:453:04
8:54
#11108
Finish
26.22 mi13:49:583:23:027:457:47
7:38
#11047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133823532353210470(Top 37%)2105(Top 17%)2105(Top 38%)
10K6.21 mi3.10 mi12323+10592971+5612971+56111277(Top 40%)2456(Top 20%)2456(Top 45%)
15K9.32 mi3.11 mi11675+6482659+3122659+31210470(Top 37%)2105(Top 17%)2105(Top 38%)
20K12.43 mi3.11 mi11831-1562777-1182777-11812348(Top 43%)3190(Top 26%)3190(Top 58%)
Half13.11 mi0.68 mi11786+452762+152762+1511183(Top 39%)2524(Top 21%)2524(Top 46%)
25K15.53 mi2.42 mi11936-1502889-1272889-12712865(Top 45%)3592(Top 29%)3592(Top 66%)
30K18.64 mi3.11 mi11882+542936-472936-4711989(Top 42%)3285(Top 27%)3285(Top 60%)
20M20.00 mi1.36 mi11809+732928+82928+811354(Top 40%)3108(Top 25%)3108(Top 57%)
21M21.00 mi1.00 mi11678+1312904+242904+2410083(Top 35%)2649(Top 22%)2649(Top 48%)
35K21.75 mi0.75 mi11551+1272864+402864+408585(Top 30%)1951(Top 16%)1951(Top 36%)
23M23.00 mi1.25 mi11311+2402779+852779+858623(Top 30%)2101(Top 17%)2101(Top 38%)
24M24.00 mi1.00 mi11172+1392747+322747+329253(Top 33%)2451(Top 20%)2451(Top 45%)
40K24.85 mi0.85 mi11119+532752-52752-510580(Top 37%)3204(Top 26%)3204(Top 59%)
25.2M25.20 mi0.35 mi11108+112766-142766-1411228(Top 40%)3602(Top 29%)3602(Top 66%)
Finish26.22 mi1.02 mi11047+612766276610247(Top 36%)3107(Top 25%)3107(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10470

Females

2105

F18-39

2105

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11277

Females

2456

F18-39

2456

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10470

Females

2105

F18-39

2105

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12348

Females

3190

F18-39

3190

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11183

Females

2524

F18-39

2524

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12865

Females

3592

F18-39

3592

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11989

Females

3285

F18-39

3285

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11354

Females

3108

F18-39

3108

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

10083

Females

2649

F18-39

2649

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8585

Females

1951

F18-39

1951

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8623

Females

2101

F18-39

2101

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9253

Females

2451

F18-39

2451

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10580

Females

3204

F18-39

3204

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11228

Females

3602

F18-39

3602

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10247

Females

3107

F18-39

3107

Passing Analysis

Category:
Athletes Passed
3419
Passed By
1084
Net Change
+2335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13382
5K → 10K109233+1059#13382#12323
10K → 15K66012+648#12323#11675
15K → 20K134290-156#11675#11831
20K → Half5914+45#11831#11786
Half → 25K121271-150#11786#11936
25K → 30K254200+54#11936#11882
30K → 20M14673+73#11882#11809
20M → 21M17241+131#11809#11678
21M → 35K1347+127#11678#11551
35K → 23M25111+240#11551#11311
23M → 24M16021+139#11311#11172
24M → 40K9845+53#11172#11119
40K → 25.2M3625+11#11119#11108
25.2M → Finish10241+61#11108#11047
TOTALS34191084+2335
📊

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