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BOSTON MARATHON 2025

Stephanie Dunn

Bib: 22273•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F45-49)
#0 / 1813
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #16002
Start → 5K
24:38 | 7:56/mi
10K· 6.21 mi
49:02
Rank: #15602 (+400)
5K → 10K
24:24 | 7:51/mi
15K· 9.32 mi
1:13:31
Rank: #15393 (+209)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:38:06
Rank: #15045 (+348)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:43:22
Rank: #14965 (+80)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:02:35
Rank: #14643 (+322)
Half → 25K
19:13 | 7:56/mi
30K· 18.64 mi
2:27:45
Rank: #14089 (+554)
25K → 30K
25:10 | 8:06/mi
20M
2:38:50
Rank: #13844 (+245)
30K → 20M
11:05 | 8:09/mi
21M
2:47:45
Rank: #13776 (+68)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:53:39
Rank: #13662 (+114)
21M → 35K
5:54 | 7:53/mi
23M
3:04:21
Rank: #13632 (+30)
35K → 23M
10:42 | 8:33/mi
24M
3:12:45
Rank: #13648 (-16)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:20:19
Rank: #13717 (-69)
24M → 40K
7:34 | 8:51/mi
25.2M
3:23:38
Rank: #13746 (-29)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:32:17
Rank: #13833 (-87)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:48:55
Pace8:19 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5224:387:5624:38
7:56
-
10K
6.21 mi11:45:1649:027:5324:24
7:51
-0:05
15K
9.32 mi12:09:451:13:317:5324:29
7:53
+0:02
20K
12.43 mi12:34:201:38:067:5424:35
7:55
+0:02
Half
13.11 mi12:39:361:43:227:535:16
7:43
-0:12
25K
15.53 mi12:58:492:02:357:5319:13
7:56
+0:13
30K
18.64 mi13:23:592:27:457:5625:10
8:06
+0:10
20M
20.00 mi13:35:042:38:507:5611:05
8:09
+0:03
21M
21.00 mi13:43:592:47:457:598:55
8:55
+0:46
35K
21.75 mi13:49:532:53:397:595:54
7:53
-1:02
23M
23.00 mi14:00:353:04:218:0110:42
8:33
+0:40
24M
24.00 mi14:08:593:12:458:028:24
8:24
-0:09
40K
24.85 mi14:16:333:20:198:047:34
8:51
+0:27
25.2M
25.20 mi14:19:523:23:388:053:19
9:37
+0:46
Finish
26.22 mi14:28:313:32:178:068:39
8:29
-1:08

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

7:43 /mi

Average Pace

8:06 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:16

2% of race

Time at Steady Pace

2:39:28

75% of race

Time at Slower Pace

47:33

22% of race

Average Pace: 8:06 /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 mi11:20:5224:387:5624:38
7:56
#16002
10K
6.21 mi11:45:1649:027:5324:24
7:51
#15602
15K
9.32 mi12:09:451:13:317:5324:29
7:53
#15393
20K
12.43 mi12:34:201:38:067:5424:35
7:55
#15045
Half
13.11 mi12:39:361:43:227:535:16
7:43
#14965
25K
15.53 mi12:58:492:02:357:5319:13
7:56
#14643
30K
18.64 mi13:23:592:27:457:5625:10
8:06
#14089
20M
20.00 mi13:35:042:38:507:5611:05
8:09
#13844
21M
21.00 mi13:43:592:47:457:598:55
8:55
#13776
35K
21.75 mi13:49:532:53:397:595:54
7:53
#13662
23M
23.00 mi14:00:353:04:218:0110:42
8:33
#13632
24M
24.00 mi14:08:593:12:458:028:24
8:24
#13648
40K
24.85 mi14:16:333:20:198:047:34
8:51
#13717
25.2M
25.20 mi14:19:523:23:388:053:19
9:37
#13746
Finish
26.22 mi14:28:313:32:178:068:39
8:29
#13833
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi160025150515015093(Top 53%)4633(Top 38%)4633(Top 256%)
10K6.21 mi3.10 mi15602+4004897+2534897+25315301(Top 54%)4721(Top 39%)4721(Top 260%)
15K9.32 mi3.11 mi15393+2094782+1154782+11515093(Top 53%)4633(Top 38%)4633(Top 256%)
20K12.43 mi3.11 mi15045+3484606+1764606+17614214(Top 50%)4207(Top 34%)4207(Top 232%)
Half13.11 mi0.68 mi14965+804572+344572+3413644(Top 48%)3866(Top 32%)3866(Top 213%)
25K15.53 mi2.42 mi14643+3224416+1564416+15613324(Top 47%)3846(Top 31%)3846(Top 212%)
30K18.64 mi3.11 mi14089+5544160+2564160+25612122(Top 43%)3349(Top 27%)3349(Top 185%)
20M20.00 mi1.36 mi13844+2454053+1074053+10711546(Top 41%)3215(Top 26%)3215(Top 177%)
21M21.00 mi1.00 mi13776+684047+64047+613047(Top 46%)4147(Top 34%)4147(Top 229%)
35K21.75 mi0.75 mi13662+1143995+523995+5211534(Top 41%)3406(Top 28%)3406(Top 188%)
23M23.00 mi1.25 mi13632+304029-344029-3413603(Top 48%)4587(Top 38%)4587(Top 253%)
24M24.00 mi1.00 mi13648-164062-334062-3313894(Top 49%)4761(Top 39%)4761(Top 263%)
40K24.85 mi0.85 mi13717-694126-644126-6415478(Top 54%)5783(Top 47%)5783(Top 319%)
25.2M25.20 mi0.35 mi13746-294164-384164-3815197(Top 54%)5638(Top 46%)5638(Top 311%)
Finish26.22 mi1.02 mi13833-874228-644228-6416153(Top 57%)6097(Top 50%)6097(Top 336%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15093

Females

4633

F45-49

4633

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15301

Females

4721

F45-49

4721

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15093

Females

4633

F45-49

4633

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14214

Females

4207

F45-49

4207

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

13644

Females

3866

F45-49

3866

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13324

Females

3846

F45-49

3846

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12122

Females

3349

F45-49

3349

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11546

Females

3215

F45-49

3215

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13047

Females

4147

F45-49

4147

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11534

Females

3406

F45-49

3406

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13603

Females

4587

F45-49

4587

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13894

Females

4761

F45-49

4761

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15478

Females

5783

F45-49

5783

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15197

Females

5638

F45-49

5638

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16153

Females

6097

F45-49

6097

Passing Analysis

Category:
Athletes Passed
3145
Passed By
976
Net Change
+2169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16002
5K → 10K564164+400#16002#15602
10K → 15K30798+209#15602#15393
15K → 20K40254+348#15393#15045
20K → Half9010+80#15045#14965
Half → 25K34927+322#14965#14643
25K → 30K58127+554#14643#14089
30K → 20M25813+245#14089#13844
20M → 21M14274+68#13844#13776
21M → 35K1173+114#13776#13662
35K → 23M12494+30#13662#13632
23M → 24M7793-16#13632#13648
24M → 40K67136-69#13648#13717
40K → 25.2M2756-29#13717#13746
25.2M → Finish40127-87#13746#13833
TOTALS3145976+2169
📊

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