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BOSTON MARATHON 2025

Jennifer Davis

Bib: 4088•F

OH

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0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #2679
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
39:18
Rank: #2601 (+78)
5K → 10K
19:37 | 6:19/mi
15K· 9.32 mi
58:45
Rank: #2403 (+198)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:18:20
Rank: #2283 (+120)
15K → 20K
19:35 | 6:18/mi
Half· 13.11 mi
1:22:37
Rank: #2280 (+3)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:37:59
Rank: #2215 (+65)
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:59:07
Rank: #2389 (-174)
25K → 30K
21:08 | 6:48/mi
20M
2:08:39
Rank: #2480 (-91)
30K → 20M
9:32 | 7:01/mi
21M
2:16:07
Rank: #2562 (-82)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:20:48
Rank: #2494 (+68)
21M → 35K
4:41 | 6:16/mi
23M
2:29:29
Rank: #2512 (-18)
35K → 23M
8:41 | 6:56/mi
24M
2:36:19
Rank: #2539 (-27)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:42:17
Rank: #2550 (-11)
24M → 40K
5:58 | 6:59/mi
25.2M
2:44:51
Rank: #2549 (+1)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:51:25
Rank: #2521 (+28)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:37
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:28:48
Pace6:46 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5019:416:2019:41
6:20
-
10K
6.21 mi10:41:2739:186:1919:37
6:19
-0:01
15K
9.32 mi11:00:5458:456:1819:27
6:16
-0:03
20K
12.43 mi11:20:291:18:206:1819:35
6:18
+0:02
Half
13.11 mi11:24:461:22:376:184:17
6:17
-0:01
25K
15.53 mi11:40:081:37:596:1815:22
6:20
+0:03
30K
18.64 mi12:01:161:59:076:2321:08
6:48
+0:28
20M
20.00 mi12:10:482:08:396:269:32
7:01
+0:13
21M
21.00 mi12:18:162:16:076:297:28
7:28
+0:27
35K
21.75 mi12:22:572:20:486:284:41
6:16
-1:12
23M
23.00 mi12:31:382:29:296:308:41
6:56
+0:40
24M
24.00 mi12:38:282:36:196:316:50
6:50
-0:06
40K
24.85 mi12:44:262:42:176:325:58
6:59
+0:09
25.2M
25.20 mi12:47:002:44:516:332:34
7:27
+0:28
Finish
26.22 mi12:53:342:51:256:336:34
6:27
-1:00

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

6:16 /mi

Average Pace

6:33 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:12

80% of race

Time at Steady Pace

24:11

14% of race

Time at Slower Pace

10:02

6% of race

Average Pace: 6:32 /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 mi10:21:5019:416:2019:41
6:20
#2679
10K
6.21 mi10:41:2739:186:1919:37
6:19
#2601
15K
9.32 mi11:00:5458:456:1819:27
6:16
#2403
20K
12.43 mi11:20:291:18:206:1819:35
6:18
#2283
Half
13.11 mi11:24:461:22:376:184:17
6:17
#2280
25K
15.53 mi11:40:081:37:596:1815:22
6:20
#2215
30K
18.64 mi12:01:161:59:076:2321:08
6:48
#2389
20M
20.00 mi12:10:482:08:396:269:32
7:01
#2480
21M
21.00 mi12:18:162:16:076:297:28
7:28
#2562
35K
21.75 mi12:22:572:20:486:284:41
6:16
#2494
23M
23.00 mi12:31:382:29:296:308:41
6:56
#2512
24M
24.00 mi12:38:282:36:196:316:50
6:50
#2539
40K
24.85 mi12:44:262:42:176:325:58
6:59
#2550
25.2M
25.20 mi12:47:002:44:516:332:34
7:27
#2549
Finish
26.22 mi12:53:342:51:256:336:34
6:27
#2521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26791191192169(Top 8%)95(Top 0.8%)95(Top 2%)
10K6.21 mi3.10 mi2601+78116+3116+32515(Top 9%)105(Top 0.9%)105(Top 2%)
15K9.32 mi3.11 mi2403+198102+14102+142169(Top 8%)95(Top 0.8%)95(Top 2%)
20K12.43 mi3.11 mi2283+12096+696+62040(Top 7%)89(Top 0.7%)89(Top 2%)
Half13.11 mi0.68 mi2280+395+195+12464(Top 9%)102(Top 0.8%)102(Top 2%)
25K15.53 mi2.42 mi2215+6594+194+12065(Top 7%)92(Top 0.8%)92(Top 2%)
30K18.64 mi3.11 mi2389-174104-10104-103471(Top 12%)231(Top 2%)231(Top 4%)
20M20.00 mi1.36 mi2480-91108-4108-44216(Top 15%)349(Top 3%)349(Top 6%)
21M21.00 mi1.00 mi2562-82113-5113-54469(Top 16%)469(Top 4%)469(Top 9%)
35K21.75 mi0.75 mi2494+68111+2111+21499(Top 5%)80(Top 0.7%)80(Top 1%)
23M23.00 mi1.25 mi2512-18115-4115-43431(Top 12%)304(Top 2%)304(Top 6%)
24M24.00 mi1.00 mi2539-27120-5120-53728(Top 13%)395(Top 3%)395(Top 7%)
40K24.85 mi0.85 mi2550-11125-5125-53800(Top 13%)445(Top 4%)445(Top 8%)
25.2M25.20 mi0.35 mi2549+1126-1126-13212(Top 11%)349(Top 3%)349(Top 6%)
Finish26.22 mi1.02 mi2521+281261262555(Top 9%)223(Top 2%)223(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2169

Females

95

F18-39

95

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2515

Females

105

F18-39

105

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2169

Females

95

F18-39

95

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2040

Females

89

F18-39

89

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2464

Females

102

F18-39

102

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2065

Females

92

F18-39

92

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3471

Females

231

F18-39

231

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4216

Females

349

F18-39

349

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4469

Females

469

F18-39

469

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1499

Females

80

F18-39

80

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3431

Females

304

F18-39

304

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3728

Females

395

F18-39

395

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3800

Females

445

F18-39

445

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3212

Females

349

F18-39

349

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2555

Females

223

F18-39

223

Passing Analysis

Category:
Athletes Passed
950
Passed By
792
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2679
5K → 10K15476+78#2679#2601
10K → 15K21416+198#2601#2403
15K → 20K14222+120#2403#2283
20K → Half118+3#2283#2280
Half → 25K8520+65#2280#2215
25K → 30K45219-174#2215#2389
30K → 20M22113-91#2389#2480
20M → 21M27109-82#2480#2562
21M → 35K713+68#2562#2494
35K → 23M4664-18#2494#2512
23M → 24M3966-27#2512#2539
24M → 40K2839-11#2539#2550
40K → 25.2M1716+1#2550#2549
25.2M → Finish4921+28#2549#2521
TOTALS950792+158
📊

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