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BOSTON MARATHON 2025

Andrea Gilder

Bib: 21185•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F45-49)
#0 / 1813
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:57
Rank: #14062
Start → 5K
23:57 | 7:43/mi
10K· 6.21 mi
47:55
Rank: #14008 (+54)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:11:59
Rank: #13963 (+45)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:36:18
Rank: #13795 (+168)
15K → 20K
24:19 | 7:50/mi
Half· 13.11 mi
1:41:38
Rank: #13827 (-32)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:01:08
Rank: #13873 (-46)
Half → 25K
19:30 | 8:03/mi
30K· 18.64 mi
2:26:51
Rank: #13698 (+175)
25K → 30K
25:43 | 8:17/mi
20M
2:38:08
Rank: #13578 (+120)
30K → 20M
11:17 | 8:18/mi
21M
2:46:59
Rank: #13497 (+81)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:53:00
Rank: #13441 (+56)
21M → 35K
6:01 | 8:03/mi
23M
3:03:32
Rank: #13368 (+73)
35K → 23M
10:32 | 8:25/mi
24M
3:11:41
Rank: #13301 (+67)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
3:18:48
Rank: #13255 (+46)
24M → 40K
7:07 | 8:19/mi
25.2M
3:22:02
Rank: #13254 (+1)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:30:11
Rank: #13269 (-15)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5023:577:4323:57
7:43
-
10K
6.21 mi11:40:4847:557:4323:58
7:43
0:00
15K
9.32 mi12:04:521:11:597:4324:04
7:45
+0:02
20K
12.43 mi12:29:111:36:187:4524:19
7:50
+0:05
Half
13.11 mi12:34:311:41:387:455:20
7:49
-0:01
25K
15.53 mi12:54:012:01:087:4819:30
8:03
+0:14
30K
18.64 mi13:19:442:26:517:5325:43
8:17
+0:14
20M
20.00 mi13:31:012:38:087:5411:17
8:18
+0:01
21M
21.00 mi13:39:522:46:597:578:51
8:51
+0:33
35K
21.75 mi13:45:532:53:007:576:01
8:03
-0:48
23M
23.00 mi13:56:253:03:327:5910:32
8:25
+0:22
24M
24.00 mi14:04:343:11:417:598:09
8:09
-0:16
40K
24.85 mi14:11:413:18:488:007:07
8:19
+0:10
25.2M
25.20 mi14:14:553:22:028:013:14
9:23
+1:04
Finish
26.22 mi14:23:043:30:118:018:09
8:00
-1:23

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

8:01 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:19

37% of race

Time at Steady Pace

1:06:08

31% of race

Time at Slower Pace

1:06:44

32% of race

Average Pace: 8:01 /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 mi11:16:5023:577:4323:57
7:43
#14062
10K
6.21 mi11:40:4847:557:4323:58
7:43
#14008
15K
9.32 mi12:04:521:11:597:4324:04
7:45
#13963
20K
12.43 mi12:29:111:36:187:4524:19
7:50
#13795
Half
13.11 mi12:34:311:41:387:455:20
7:49
#13827
25K
15.53 mi12:54:012:01:087:4819:30
8:03
#13873
30K
18.64 mi13:19:442:26:517:5325:43
8:17
#13698
20M
20.00 mi13:31:012:38:087:5411:17
8:18
#13578
21M
21.00 mi13:39:522:46:597:578:51
8:51
#13497
35K
21.75 mi13:45:532:53:007:576:01
8:03
#13441
23M
23.00 mi13:56:253:03:327:5910:32
8:25
#13368
24M
24.00 mi14:04:343:11:417:598:09
8:09
#13301
40K
24.85 mi14:11:413:18:488:007:07
8:19
#13255
25.2M
25.20 mi14:14:553:22:028:013:14
9:23
#13254
Finish
26.22 mi14:23:043:30:118:018:09
8:00
#13269
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi140623948394813918(Top 49%)3964(Top 32%)3964(Top 219%)
10K6.21 mi3.10 mi14008+543947+13947+114037(Top 49%)3977(Top 33%)3977(Top 219%)
15K9.32 mi3.11 mi13963+453946+13946+113918(Top 49%)3964(Top 32%)3964(Top 219%)
20K12.43 mi3.11 mi13795+1683897+493897+4913499(Top 48%)3815(Top 31%)3815(Top 210%)
Half13.11 mi0.68 mi13827-323925-283925-2814437(Top 51%)4302(Top 35%)4302(Top 237%)
25K15.53 mi2.42 mi13873-463972-473972-4714228(Top 50%)4321(Top 35%)4321(Top 238%)
30K18.64 mi3.11 mi13698+1753935+373935+3713346(Top 47%)4024(Top 33%)4024(Top 222%)
20M20.00 mi1.36 mi13578+1203896+393896+3912530(Top 44%)3713(Top 30%)3713(Top 205%)
21M21.00 mi1.00 mi13497+813887+93887+912634(Top 44%)3944(Top 32%)3944(Top 218%)
35K21.75 mi0.75 mi13441+563886+13886+112574(Top 44%)3937(Top 32%)3937(Top 217%)
23M23.00 mi1.25 mi13368+733877+93877+912790(Top 45%)4156(Top 34%)4156(Top 229%)
24M24.00 mi1.00 mi13301+673865+123865+1212260(Top 43%)3930(Top 32%)3930(Top 217%)
40K24.85 mi0.85 mi13255+463874-93874-912325(Top 43%)4094(Top 33%)4094(Top 226%)
25.2M25.20 mi0.35 mi13254+13884-103884-1013912(Top 49%)4955(Top 41%)4955(Top 273%)
Finish26.22 mi1.02 mi13269-153910-263910-2612881(Top 45%)4364(Top 36%)4364(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13918

Females

3964

F45-49

3964

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

14037

Females

3977

F45-49

3977

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13918

Females

3964

F45-49

3964

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13499

Females

3815

F45-49

3815

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14437

Females

4302

F45-49

4302

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14228

Females

4321

F45-49

4321

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13346

Females

4024

F45-49

4024

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12530

Females

3713

F45-49

3713

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12634

Females

3944

F45-49

3944

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12574

Females

3937

F45-49

3937

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12790

Females

4156

F45-49

4156

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12260

Females

3930

F45-49

3930

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12325

Females

4094

F45-49

4094

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13912

Females

4955

F45-49

4955

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12881

Females

4364

F45-49

4364

Passing Analysis

Category:
Athletes Passed
2144
Passed By
1351
Net Change
+793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14062
5K → 10K287233+54#14062#14008
10K → 15K211166+45#14008#13963
15K → 20K298130+168#13963#13795
20K → Half2355-32#13795#13827
Half → 25K170216-46#13827#13873
25K → 30K315140+175#13873#13698
30K → 20M17656+120#13698#13578
20M → 21M14564+81#13578#13497
21M → 35K8226+56#13497#13441
35K → 23M13461+73#13441#13368
23M → 24M10942+67#13368#13301
24M → 40K10155+46#13301#13255
40K → 25.2M3534+1#13255#13254
25.2M → Finish5873-15#13254#13269
TOTALS21441351+793
📊

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