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BOSTON MARATHON 2025

Stephanie Dyer

Bib: 14972•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F55-59)
#0 / 994
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #11860
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
46:25
Rank: #11864 (-4)
5K → 10K
23:15 | 7:29/mi
15K· 9.32 mi
1:09:42
Rank: #11797 (+67)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:33:13
Rank: #11636 (+161)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:38:18
Rank: #11622 (+14)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:32
Rank: #11349 (+273)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:20:20
Rank: #10847 (+502)
25K → 30K
23:48 | 7:40/mi
20M
2:30:52
Rank: #10633 (+214)
30K → 20M
10:32 | 7:45/mi
21M
2:38:55
Rank: #10411 (+222)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:44:31
Rank: #10324 (+87)
21M → 35K
5:36 | 7:29/mi
23M
2:54:19
Rank: #10183 (+141)
35K → 23M
9:48 | 7:50/mi
24M
3:01:59
Rank: #10088 (+95)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:08:38
Rank: #9995 (+93)
24M → 40K
6:39 | 7:47/mi
25.2M
3:11:25
Rank: #9909 (+86)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:18:30
Rank: #9677 (+232)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:18
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1023:107:2723:10
7:27
-
10K
6.21 mi11:16:2546:257:2823:15
7:29
+0:02
15K
9.32 mi11:39:421:09:427:2923:17
7:30
+0:01
20K
12.43 mi12:03:131:33:137:3023:31
7:34
+0:04
Half
13.11 mi12:08:181:38:187:305:05
7:27
-0:07
25K
15.53 mi12:26:321:56:327:3018:14
7:31
+0:04
30K
18.64 mi12:50:202:20:207:3223:48
7:40
+0:09
20M
20.00 mi13:00:522:30:527:3310:32
7:45
+0:05
21M
21.00 mi13:08:552:38:557:348:03
8:03
+0:18
35K
21.75 mi13:14:312:44:317:345:36
7:29
-0:34
23M
23.00 mi13:24:192:54:197:359:48
7:50
+0:21
24M
24.00 mi13:31:593:01:597:357:40
7:40
-0:10
40K
24.85 mi13:38:383:08:387:356:39
7:47
+0:07
25.2M
25.20 mi13:41:253:11:257:362:47
8:04
+0:17
Finish
26.22 mi13:48:303:18:307:357:05
6:57
-1:07

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

6:57 /mi

Average Pace

7:35 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:13

65% of race

Time at Steady Pace

1:09:17

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:53:1023:107:2723:10
7:27
#11860
10K
6.21 mi11:16:2546:257:2823:15
7:29
#11864
15K
9.32 mi11:39:421:09:427:2923:17
7:30
#11797
20K
12.43 mi12:03:131:33:137:3023:31
7:34
#11636
Half
13.11 mi12:08:181:38:187:305:05
7:27
#11622
25K
15.53 mi12:26:321:56:327:3018:14
7:31
#11349
30K
18.64 mi12:50:202:20:207:3223:48
7:40
#10847
20M
20.00 mi13:00:522:30:527:3310:32
7:45
#10633
21M
21.00 mi13:08:552:38:557:348:03
8:03
#10411
35K
21.75 mi13:14:312:44:317:345:36
7:29
#10324
23M
23.00 mi13:24:192:54:197:359:48
7:50
#10183
24M
24.00 mi13:31:593:01:597:357:40
7:40
#10088
40K
24.85 mi13:38:383:08:387:356:39
7:47
#9995
25.2M
25.20 mi13:41:253:11:257:362:47
8:04
#9909
Finish
26.22 mi13:48:303:18:307:357:05
6:57
#9677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi118602715271511729(Top 41%)2750(Top 22%)2750(Top 277%)
10K6.21 mi3.10 mi11864-42732-172732-1711961(Top 42%)2793(Top 23%)2793(Top 281%)
15K9.32 mi3.11 mi11797+672710+222710+2211729(Top 41%)2750(Top 22%)2750(Top 277%)
20K12.43 mi3.11 mi11636+1612681+292681+2911347(Top 40%)2651(Top 22%)2651(Top 267%)
Half13.11 mi0.68 mi11622+142671+102671+1011340(Top 40%)2585(Top 21%)2585(Top 260%)
25K15.53 mi2.42 mi11349+2732567+1042567+10410157(Top 36%)2162(Top 18%)2162(Top 218%)
30K18.64 mi3.11 mi10847+5022384+1832384+1838927(Top 31%)1804(Top 15%)1804(Top 181%)
20M20.00 mi1.36 mi10633+2142321+632321+638742(Top 31%)1854(Top 15%)1854(Top 187%)
21M21.00 mi1.00 mi10411+2222244+772244+777678(Top 27%)1587(Top 13%)1587(Top 160%)
35K21.75 mi0.75 mi10324+872226+182226+188565(Top 30%)1931(Top 16%)1931(Top 194%)
23M23.00 mi1.25 mi10183+1412199+272199+278800(Top 31%)2169(Top 18%)2169(Top 218%)
24M24.00 mi1.00 mi10088+952183+162183+168922(Top 31%)2285(Top 19%)2285(Top 230%)
40K24.85 mi0.85 mi9995+932173+102173+108636(Top 30%)2288(Top 19%)2288(Top 230%)
25.2M25.20 mi0.35 mi9909+862146+272146+276423(Top 23%)1426(Top 12%)1426(Top 143%)
Finish26.22 mi1.02 mi9677+2322081+652081+655459(Top 19%)1051(Top 9%)1051(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11729

Females

2750

F55-59

2750

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11961

Females

2793

F55-59

2793

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11729

Females

2750

F55-59

2750

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11347

Females

2651

F55-59

2651

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11340

Females

2585

F55-59

2585

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10157

Females

2162

F55-59

2162

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8927

Females

1804

F55-59

1804

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8742

Females

1854

F55-59

1854

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7678

Females

1587

F55-59

1587

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8565

Females

1931

F55-59

1931

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8800

Females

2169

F55-59

2169

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8922

Females

2285

F55-59

2285

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8636

Females

2288

F55-59

2288

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6423

Females

1426

F55-59

1426

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5459

Females

1051

F55-59

1051

Passing Analysis

Category:
Athletes Passed
2934*
Passed By
751
Net Change
+2183
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11860
5K → 10K255259-4#11860#11864
10K → 15K202135+67#11864#11797
15K → 20K274113+161#11797#11636
20K → Half4228+14#11636#11622
Half → 25K30330+273#11622#11349
25K → 30K53028+502#11349#10847
30K → 20M23420+214#10847#10633
20M → 21M24018+222#10633#10411
21M → 35K10619+87#10411#10324
35K → 23M17332+141#10324#10183
23M → 24M12530+95#10183#10088
24M → 40K126*33+93#10088#9995
40K → 25.2M91*5+86#9995#9909
25.2M → Finish2331+232#9909#9677
TOTALS2934*751+2183

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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