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BOSTON MARATHON 2025

Deborah Pennington

Bib: 31816 F GB

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:45/mi
33:23
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:16/mi
1:08:22
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:24/mi
1:43:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
12:20/mi
2:22:08
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:20/mi
2:29:52
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:46/mi
3:00:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
13:09/mi
3:41:39
↑ 181↓ 1480.2%
138 ft elev
20M
14:46/mi
4:01:44
↑ 64↓ 500.2%
148 ft elev
21M
14:46/mi
4:16:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:31/mi
4:25:52
↑ 17↓ 861.7%
156 ft elev
23M
12:50/mi
4:41:56
↑ 23↓ 630.6%
116 ft elev
24M
12:46/mi
4:54:42
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:48/mi
5:06:30
↓ 200.3%
20 ft elev
25.2M
15:11/mi
5:11:44
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:37/mi
5:23:34
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:52
Pace11:26 /mi
2nd Half
Distance13.11 mi
Time2:53:42
Pace13:15 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1133:2310:4533:23
10:45
-
10K
6.21 mi12:30:101:08:2211:0034:59
11:16
+0:31
15K
9.32 mi13:05:361:43:4811:0835:26
11:24
+0:08
20K
12.43 mi13:43:562:22:0811:2638:20
12:20
+0:56
Half
13.11 mi13:51:402:29:5211:267:44
11:20
-1:00
25K
15.53 mi14:22:373:00:4911:3830:57
12:46
+1:26
30K
18.64 mi15:03:273:41:3911:5340:50
13:09
+0:23
20M
20.00 mi15:23:324:01:4412:0520:05
14:46
+1:37
21M
21.00 mi15:38:184:16:3012:1314:46
14:46
0:00
35K
21.75 mi15:47:404:25:5212:139:22
12:31
-2:15
23M
23.00 mi16:03:444:41:5612:1516:04
12:50
+0:19
24M
24.00 mi16:16:304:54:4212:1712:46
12:46
-0:04
40K
24.85 mi16:28:185:06:3012:2011:48
13:48
+1:02
25.2M
25.20 mi16:33:325:11:4412:225:14
15:11
+1:23
Finish
26.22 mi16:45:225:23:3412:2111:50
11:37
-3:34

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

10:45 /mi

Average Pace

12:21 /mi

Slowest Pace

15:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:22

38% of race

Time at Steady Pace

2:28:19

46% of race

Time at Slower Pace

51:53

16% of race

Average Pace: 12:20 /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 mi11:55:1133:2310:4533:23
10:45
#27192
10K
6.21 mi12:30:101:08:2211:0034:59
11:16
#27313
15K
9.32 mi13:05:361:43:4811:0835:26
11:24
#27243
20K
12.43 mi13:43:562:22:0811:2638:20
12:20
#27318
Half
13.11 mi13:51:402:29:5211:267:44
11:20
#27286
25K
15.53 mi14:22:373:00:4911:3830:57
12:46
#27251
30K
18.64 mi15:03:273:41:3911:5340:50
13:09
#27185
20M
20.00 mi15:23:324:01:4412:0520:05
14:46
#27271
21M
21.00 mi15:38:184:16:3012:1314:46
14:46
#27276
35K
21.75 mi15:47:404:25:5212:139:22
12:31
#27248
23M
23.00 mi16:03:444:41:5612:1516:04
12:50
#27213
24M
24.00 mi16:16:304:54:4212:1712:46
12:46
#27190
40K
24.85 mi16:28:185:06:3012:2011:48
13:48
#27206
25.2M
25.20 mi16:33:325:11:4412:225:14
15:11
#27211
Finish
26.22 mi16:45:225:23:3412:2111:50
11:37
#27187
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi27192114441144427141(Top 96%)11460(Top 94%)11460(Top 1153%)
10K6.21 mi3.10 mi27313-12111537-9311537-9327343(Top 96%)11574(Top 95%)11574(Top 1164%)
15K9.32 mi3.11 mi27243+7011495+4211495+4227141(Top 96%)11460(Top 94%)11460(Top 1153%)
20K12.43 mi3.11 mi27318-7511551-5611551-5627387(Top 96%)11633(Top 95%)11633(Top 1170%)
Half13.11 mi0.68 mi27286+3211535+1611535+1626895(Top 95%)11354(Top 93%)11354(Top 1142%)
25K15.53 mi2.42 mi27251+3511530+511530+527130(Top 96%)11504(Top 94%)11504(Top 1157%)
30K18.64 mi3.11 mi27185+6611512+1811512+1826816(Top 94%)11392(Top 93%)11392(Top 1146%)
20M20.00 mi1.36 mi27271-8611566-5411566-5427771(Top 98%)11954(Top 98%)11954(Top 1203%)
21M21.00 mi1.00 mi27276-511577-1111577-1126961(Top 95%)11548(Top 94%)11548(Top 1162%)
35K21.75 mi0.75 mi27248+2811568+911568+926473(Top 93%)11320(Top 93%)11320(Top 1139%)
23M23.00 mi1.25 mi27213+3511555+1311555+1326188(Top 92%)11192(Top 92%)11192(Top 1126%)
24M24.00 mi1.00 mi27190+2311549+611549+626599(Top 94%)11419(Top 93%)11419(Top 1149%)
40K24.85 mi0.85 mi27206-1611558-911558-927024(Top 95%)11655(Top 95%)11655(Top 1173%)
25.2M25.20 mi0.35 mi27211-511562-411562-427242(Top 96%)11772(Top 96%)11772(Top 1184%)
Finish26.22 mi1.02 mi27187+2411556+611556+626297(Top 93%)11299(Top 92%)11299(Top 1137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27141

Females

11460

F55-59

11460

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27343

Females

11574

F55-59

11574

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27141

Females

11460

F55-59

11460

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27387

Females

11633

F55-59

11633

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26895

Females

11354

F55-59

11354

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27130

Females

11504

F55-59

11504

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26816

Females

11392

F55-59

11392

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27771

Females

11954

F55-59

11954

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

26961

Females

11548

F55-59

11548

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26473

Females

11320

F55-59

11320

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26188

Females

11192

F55-59

11192

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26599

Females

11419

F55-59

11419

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27024

Females

11655

F55-59

11655

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27242

Females

11772

F55-59

11772

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26297

Females

11299

F55-59

11299

Passing Analysis

Category:
Athletes Passed
744
Passed By
739
Net Change
+5
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27192
5K → 10K91212-121#27192#27313
10K → 15K14272+70#27313#27243
15K → 20K67142-75#27243#27318
20K → Half364+32#27318#27286
Half → 25K9560+35#27286#27251
25K → 30K11549+66#27251#27185
30K → 20M692-86#27185#27271
20M → 21M2328-5#27271#27276
21M → 35K379+28#27276#27248
35K → 23M4712+35#27248#27213
23M → 24M329+23#27213#27190
24M → 40K1127-16#27190#27206
40K → 25.2M1015-5#27206#27211
25.2M → Finish328+24#27211#27187
TOTALS744739+5
📊

Passing Visuals

Category:
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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