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BOSTON MARATHON 2025

Tara Jock

Bib: 18224•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:13:47
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:38:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:43:13
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
2:01:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:26:22
↑ 181↓ 1480.2%
20M
7:48/mi
2:36:58
↑ 64↓ 500.2%
21M
8:12/mi
2:45:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:50:53
↑ 17↓ 861.7%
23M
7:52/mi
3:00:44
↑ 23↓ 630.6%
24M
7:48/mi
3:08:32
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:15:15
↓ 200.3%
25.2M
8:51/mi
3:18:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:25:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:13
Pace7:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:30
Pace7:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1024:598:0224:59
8:02
-
10K
6.21 mi11:40:4949:387:5924:39
7:56
-0:06
15K
9.32 mi12:04:581:13:477:5524:09
7:46
-0:10
20K
12.43 mi12:29:111:38:007:5324:13
7:48
+0:02
Half
13.11 mi12:34:241:43:137:525:13
7:39
-0:09
25K
15.53 mi12:53:062:01:557:5118:42
7:43
+0:04
30K
18.64 mi13:17:332:26:227:5124:27
7:52
+0:09
20M
20.00 mi13:28:092:36:587:5110:36
7:48
-0:04
21M
21.00 mi13:36:212:45:107:528:12
8:12
+0:24
35K
21.75 mi13:42:042:50:537:515:43
7:38
-0:34
23M
23.00 mi13:51:553:00:447:519:51
7:52
+0:14
24M
24.00 mi13:59:433:08:327:517:48
7:48
-0:04
40K
24.85 mi14:06:263:15:157:516:43
7:51
+0:03
25.2M
25.20 mi14:09:293:18:187:523:03
8:51
+1:00
Finish
26.22 mi14:16:543:25:437:517:25
7:17
-1:34

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

7:17 /mi

Average Pace

7:51 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:08

6% of race

Time at Steady Pace

2:36:21

76% of race

Time at Slower Pace

36:14

18% of race

Average Pace: 7:51 /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 mi11:16:1024:598:0224:59
8:02
#16916
10K
6.21 mi11:40:4949:387:5924:39
7:56
#16408
15K
9.32 mi12:04:581:13:477:5524:09
7:46
#15639
20K
12.43 mi12:29:111:38:007:5324:13
7:48
#14958
Half
13.11 mi12:34:241:43:137:525:13
7:39
#14865
25K
15.53 mi12:53:062:01:557:5118:42
7:43
#14297
30K
18.64 mi13:17:332:26:227:5124:27
7:52
#13499
20M
20.00 mi13:28:092:36:587:5110:36
7:48
#13115
21M
21.00 mi13:36:212:45:107:528:12
8:12
#12837
35K
21.75 mi13:42:042:50:537:515:43
7:38
#12686
23M
23.00 mi13:51:553:00:447:519:51
7:52
#12411
24M
24.00 mi13:59:433:08:327:517:48
7:48
#12295
40K
24.85 mi14:06:263:15:157:516:43
7:51
#12143
25.2M
25.20 mi14:09:293:18:187:523:03
8:51
#12111
Finish
26.22 mi14:16:543:25:437:517:25
7:17
#11900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169165688568814139(Top 50%)4096(Top 33%)4096(Top 75%)
10K6.21 mi3.10 mi16408+5085385+3035385+30315943(Top 56%)5085(Top 42%)5085(Top 93%)
15K9.32 mi3.11 mi15639+7694920+4654920+46514139(Top 50%)4096(Top 33%)4096(Top 75%)
20K12.43 mi3.11 mi14958+6814559+3614559+36113231(Top 47%)3670(Top 30%)3670(Top 67%)
Half13.11 mi0.68 mi14865+934515+444515+4413004(Top 46%)3490(Top 29%)3490(Top 64%)
25K15.53 mi2.42 mi14297+5684214+3014214+30111672(Top 41%)2949(Top 24%)2949(Top 54%)
30K18.64 mi3.11 mi13499+7983816+3983816+39810436(Top 37%)2514(Top 21%)2514(Top 46%)
20M20.00 mi1.36 mi13115+3843642+1743642+1749070(Top 32%)2025(Top 17%)2025(Top 37%)
21M21.00 mi1.00 mi12837+2783526+1163526+1168637(Top 30%)2011(Top 16%)2011(Top 37%)
35K21.75 mi0.75 mi12686+1513465+613465+619699(Top 34%)2474(Top 20%)2474(Top 45%)
23M23.00 mi1.25 mi12411+2753357+1083357+1089092(Top 32%)2309(Top 19%)2309(Top 42%)
24M24.00 mi1.00 mi12295+1163321+363321+369847(Top 35%)2735(Top 22%)2735(Top 50%)
40K24.85 mi0.85 mi12143+1523276+453276+459221(Top 32%)2565(Top 21%)2565(Top 47%)
25.2M25.20 mi0.35 mi12111+323279-33279-310977(Top 39%)3471(Top 28%)3471(Top 63%)
Finish26.22 mi1.02 mi11900+2113202+773202+777662(Top 27%)1934(Top 16%)1934(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14139

Females

4096

F18-39

4096

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15943

Females

5085

F18-39

5085

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14139

Females

4096

F18-39

4096

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13231

Females

3670

F18-39

3670

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13004

Females

3490

F18-39

3490

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11672

Females

2949

F18-39

2949

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10436

Females

2514

F18-39

2514

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9070

Females

2025

F18-39

2025

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8637

Females

2011

F18-39

2011

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9699

Females

2474

F18-39

2474

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9092

Females

2309

F18-39

2309

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9847

Females

2735

F18-39

2735

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9221

Females

2565

F18-39

2565

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10977

Females

3471

F18-39

3471

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7662

Females

1934

F18-39

1934

Passing Analysis

Category:
Athletes Passed
5241
Passed By
225
Net Change
+5016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16916
5K → 10K622114+508#16916#16408
10K → 15K78314+769#16408#15639
15K → 20K6898+681#15639#14958
20K → Half985+93#14958#14865
Half → 25K5724+568#14865#14297
25K → 30K8002+798#14297#13499
30K → 20M3873+384#13499#13115
20M → 21M2857+278#13115#12837
21M → 35K1565+151#12837#12686
35K → 23M2849+275#12686#12411
23M → 24M13822+116#12411#12295
24M → 40K1586+152#12295#12143
40K → 25.2M5220+32#12143#12111
25.2M → Finish2176+211#12111#11900
TOTALS5241225+5016
📊

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