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BOSTON MARATHON 2025

Jessica Frost

Bib: 20768•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Masters (Masters Women)
#0 / 6759
Top 14%
Division (F40-44)
#0 / 1718
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:50
Rank: #10870
Start → 5K
22:50 | 7:21/mi
10K· 6.21 mi
45:34
Rank: #10626 (+244)
5K → 10K
22:44 | 7:19/mi
15K· 9.32 mi
1:08:29
Rank: #10627 (-1)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:31:46
Rank: #10616 (+11)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:36:48
Rank: #10615 (+1)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:55:15
Rank: #10605 (+10)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:19:21
Rank: #10362 (+243)
25K → 30K
24:06 | 7:45/mi
20M
2:30:35
Rank: #10512 (-150)
30K → 20M
11:14 | 8:16/mi
21M
2:39:29
Rank: #10638 (-126)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:46:01
Rank: #10866 (-228)
21M → 35K
6:32 | 8:44/mi
23M
2:57:31
Rank: #11289 (-423)
35K → 23M
11:30 | 9:11/mi
24M
3:06:46
Rank: #11698 (-409)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:15:00
Rank: #12071 (-373)
24M → 40K
8:14 | 9:38/mi
25.2M
3:18:32
Rank: #12187 (-116)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:27:43
Rank: #12500 (-313)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:48
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:50:55
Pace8:28 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5922:507:2122:50
7:21
-
10K
6.21 mi11:38:4345:347:2022:44
7:19
-0:02
15K
9.32 mi12:01:381:08:297:2122:55
7:23
+0:04
20K
12.43 mi12:24:551:31:467:2323:17
7:30
+0:07
Half
13.11 mi12:29:571:36:487:235:02
7:23
-0:07
25K
15.53 mi12:48:241:55:157:2518:27
7:37
+0:14
30K
18.64 mi13:12:302:19:217:2924:06
7:45
+0:08
20M
20.00 mi13:23:442:30:357:3211:14
8:16
+0:31
21M
21.00 mi13:32:382:39:297:368:54
8:54
+0:38
35K
21.75 mi13:39:102:46:017:386:32
8:44
-0:10
23M
23.00 mi13:50:402:57:317:4311:30
9:11
+0:27
24M
24.00 mi13:59:553:06:467:479:15
9:15
+0:04
40K
24.85 mi14:08:093:15:007:518:14
9:38
+0:23
25.2M
25.20 mi14:11:413:18:327:533:32
10:15
+0:37
Finish
26.22 mi14:20:523:27:437:569:11
9:01
-1:14

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

7:19 /mi

Average Pace

7:56 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:21

67% of race

Time at Steady Pace

17:46

9% of race

Time at Slower Pace

50:36

24% of race

Average Pace: 7:55 /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 mi11:15:5922:507:2122:50
7:21
#10870
10K
6.21 mi11:38:4345:347:2022:44
7:19
#10626
15K
9.32 mi12:01:381:08:297:2122:55
7:23
#10627
20K
12.43 mi12:24:551:31:467:2323:17
7:30
#10616
Half
13.11 mi12:29:571:36:487:235:02
7:23
#10615
25K
15.53 mi12:48:241:55:157:2518:27
7:37
#10605
30K
18.64 mi13:12:302:19:217:2924:06
7:45
#10362
20M
20.00 mi13:23:442:30:357:3211:14
8:16
#10512
21M
21.00 mi13:32:382:39:297:368:54
8:54
#10638
35K
21.75 mi13:39:102:46:017:386:32
8:44
#10866
23M
23.00 mi13:50:402:57:317:4311:30
9:11
#11289
24M
24.00 mi13:59:553:06:467:479:15
9:15
#11698
40K
24.85 mi14:08:093:15:007:518:14
9:38
#12071
25.2M
25.20 mi14:11:413:18:327:533:32
10:15
#12187
Finish
26.22 mi14:20:523:27:437:569:11
9:01
#12500
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi108702220222010663(Top 38%)2205(Top 18%)2205(Top 128%)
10K6.21 mi3.10 mi10626+2442126+942126+9410508(Top 37%)2068(Top 17%)2068(Top 120%)
15K9.32 mi3.11 mi10627-12144-182144-1810663(Top 38%)2205(Top 18%)2205(Top 128%)
20K12.43 mi3.11 mi10616+112158-142158-1410737(Top 38%)2340(Top 19%)2340(Top 136%)
Half13.11 mi0.68 mi10615+12157+12157+110775(Top 38%)2340(Top 19%)2340(Top 136%)
25K15.53 mi2.42 mi10605+102187-302187-3010883(Top 38%)2531(Top 21%)2531(Top 147%)
30K18.64 mi3.11 mi10362+2432132+552132+559613(Top 34%)2108(Top 17%)2108(Top 123%)
20M20.00 mi1.36 mi10512-1502260-1282260-12812285(Top 43%)3585(Top 29%)3585(Top 209%)
21M21.00 mi1.00 mi10638-1262362-1022362-10212934(Top 46%)4077(Top 33%)4077(Top 237%)
35K21.75 mi0.75 mi10866-2282506-1442506-14416893(Top 59%)6263(Top 51%)6263(Top 365%)
23M23.00 mi1.25 mi11289-4232770-2642770-26417265(Top 61%)6581(Top 54%)6581(Top 383%)
24M24.00 mi1.00 mi11698-4093022-2523022-25218587(Top 65%)7328(Top 60%)7328(Top 427%)
40K24.85 mi0.85 mi12071-3733244-2223244-22219205(Top 68%)7725(Top 63%)7725(Top 450%)
25.2M25.20 mi0.35 mi12187-1163320-763320-7618085(Top 64%)7160(Top 59%)7160(Top 417%)
Finish26.22 mi1.02 mi12500-3133505-1853505-18519118(Top 67%)7668(Top 63%)7668(Top 446%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10663

Females

2205

F40-44

2205

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10508

Females

2068

F40-44

2068

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10663

Females

2205

F40-44

2205

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10737

Females

2340

F40-44

2340

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10775

Females

2340

F40-44

2340

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10883

Females

2531

F40-44

2531

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9613

Females

2108

F40-44

2108

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12285

Females

3585

F40-44

3585

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12934

Females

4077

F40-44

4077

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16893

Females

6263

F40-44

6263

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17265

Females

6581

F40-44

6581

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18587

Females

7328

F40-44

7328

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19205

Females

7725

F40-44

7725

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18085

Females

7160

F40-44

7160

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19118

Females

7668

F40-44

7668

Passing Analysis

Category:
Athletes Passed
1557
Passed By
3186
Net Change
-1630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10870
5K → 10K409165+244#10870#10626
10K → 15K165166-1#10626#10627
15K → 20K170159+11#10627#10616
20K → Half3635+1#10616#10615
Half → 25K173163+10#10615#10605
25K → 30K345101+243#10605#10362
30K → 20M78228-150#10362#10512
20M → 21M73199-126#10512#10638
21M → 35K13241-228#10638#10866
35K → 23M26449-423#10866#11289
23M → 24M26435-409#11289#11698
24M → 40K14387-373#11698#12071
40K → 25.2M15131-116#12071#12187
25.2M → Finish14327-313#12187#12500
TOTALS15573186-1630
📊

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