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BOSTON MARATHON 2025

Jenna Walker

Bib: 14279•F

LA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 30%
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
43:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:01/mi
1:05:00
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:27:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:32:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:50:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:16:23
↑ 181↓ 1480.2%
20M
8:22/mi
2:27:45
↑ 64↓ 500.2%
21M
9:04/mi
2:36:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:42:32
↑ 17↓ 861.7%
23M
8:15/mi
2:52:52
↑ 23↓ 630.6%
24M
8:07/mi
3:00:59
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:07:56
↓ 200.3%
25.2M
8:36/mi
3:10:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:18:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:38
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:45:41
Pace8:04 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4921:547:0321:54
7:03
-
10K
6.21 mi11:13:0643:116:5721:17
6:51
-0:12
15K
9.32 mi11:34:551:05:006:5821:49
7:01
+0:10
20K
12.43 mi11:57:371:27:427:0322:42
7:18
+0:17
Half
13.11 mi12:02:331:32:387:044:56
7:14
-0:04
25K
15.53 mi12:20:491:50:547:0818:16
7:32
+0:18
30K
18.64 mi12:46:182:16:237:1925:29
8:12
+0:40
20M
20.00 mi12:57:402:27:457:2311:22
8:22
+0:10
21M
21.00 mi13:06:442:36:497:289:04
9:04
+0:42
35K
21.75 mi13:12:272:42:327:285:43
7:38
-1:26
23M
23.00 mi13:22:472:52:527:3110:20
8:15
+0:37
24M
24.00 mi13:30:543:00:597:328:07
8:07
-0:08
40K
24.85 mi13:37:513:07:567:346:57
8:08
+0:01
25.2M
25.20 mi13:40:493:10:547:352:58
8:36
+0:28
Finish
26.22 mi13:48:143:18:197:347:25
7:17
-1:19

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

6:51 /mi

Average Pace

7:34 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:03

50% of race

Time at Steady Pace

23:59

12% of race

Time at Slower Pace

1:14:17

37% of race

Average Pace: 7:34 /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 mi10:51:4921:547:0321:54
7:03
#8229
10K
6.21 mi11:13:0643:116:5721:17
6:51
#7524
15K
9.32 mi11:34:551:05:006:5821:49
7:01
#7591
20K
12.43 mi11:57:371:27:427:0322:42
7:18
#7881
Half
13.11 mi12:02:331:32:387:044:56
7:14
#7927
25K
15.53 mi12:20:491:50:547:0818:16
7:32
#8209
30K
18.64 mi12:46:182:16:237:1925:29
8:12
#8985
20M
20.00 mi12:57:402:27:457:2311:22
8:22
#9287
21M
21.00 mi13:06:442:36:497:289:04
9:04
#9535
35K
21.75 mi13:12:272:42:327:285:43
7:38
#9520
23M
23.00 mi13:22:472:52:527:3110:20
8:15
#9637
24M
24.00 mi13:30:543:00:597:328:07
8:07
#9739
40K
24.85 mi13:37:513:07:567:346:57
8:08
#9761
25.2M
25.20 mi13:40:493:10:547:352:58
8:36
#9734
Finish
26.22 mi13:48:143:18:197:347:25
7:17
#9619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8229107110717788(Top 27%)968(Top 8%)968(Top 18%)
10K6.21 mi3.10 mi7524+705837+234837+2346891(Top 24%)689(Top 6%)689(Top 13%)
15K9.32 mi3.11 mi7591-67871-34871-347788(Top 27%)968(Top 8%)968(Top 18%)
20K12.43 mi3.11 mi7881-290983-112983-1129115(Top 32%)1579(Top 13%)1579(Top 29%)
Half13.11 mi0.68 mi7927-461003-201003-209471(Top 33%)1714(Top 14%)1714(Top 31%)
25K15.53 mi2.42 mi8209-2821133-1301133-13010258(Top 36%)2213(Top 18%)2213(Top 40%)
30K18.64 mi3.11 mi8985-7761507-3741507-37412838(Top 45%)3735(Top 31%)3735(Top 68%)
20M20.00 mi1.36 mi9287-3021667-1601667-16012929(Top 46%)3927(Top 32%)3927(Top 72%)
21M21.00 mi1.00 mi9535-2481813-1461813-14613898(Top 49%)4567(Top 37%)4567(Top 84%)
35K21.75 mi0.75 mi9520+151822-91822-99661(Top 34%)2436(Top 20%)2436(Top 45%)
23M23.00 mi1.25 mi9637-1171922-1001922-10011737(Top 41%)3597(Top 29%)3597(Top 66%)
24M24.00 mi1.00 mi9739-1022016-942016-9412027(Top 42%)3806(Top 31%)3806(Top 70%)
40K24.85 mi0.85 mi9761-222060-442060-4411095(Top 39%)3440(Top 28%)3440(Top 63%)
25.2M25.20 mi0.35 mi9734+272065-52065-59469(Top 33%)2746(Top 22%)2746(Top 50%)
Finish26.22 mi1.02 mi9619+1152055+102055+107651(Top 27%)1923(Top 16%)1923(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7788

Females

968

F18-39

968

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6891

Females

689

F18-39

689

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7788

Females

968

F18-39

968

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9115

Females

1579

F18-39

1579

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9471

Females

1714

F18-39

1714

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10258

Females

2213

F18-39

2213

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12838

Females

3735

F18-39

3735

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12929

Females

3927

F18-39

3927

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13898

Females

4567

F18-39

4567

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9661

Females

2436

F18-39

2436

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11737

Females

3597

F18-39

3597

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

12027

Females

3806

F18-39

3806

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11095

Females

3440

F18-39

3440

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9469

Females

2746

F18-39

2746

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7651

Females

1923

F18-39

1923

Passing Analysis

Category:
Athletes Passed
1582
Passed By
2972
Net Change
-1390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8229
5K → 10K72823+705#8229#7524
10K → 15K115182-67#7524#7591
15K → 20K60350-290#7591#7881
20K → Half1561-46#7881#7927
Half → 25K67349-282#7927#8209
25K → 30K69845-776#8209#8985
30K → 20M38340-302#8985#9287
20M → 21M39287-248#9287#9535
21M → 35K6651+15#9535#9520
35K → 23M74191-117#9520#9637
23M → 24M61163-102#9637#9739
24M → 40K6183-22#9739#9761
40K → 25.2M5124+27#9761#9734
25.2M → Finish13823+115#9734#9619
TOTALS15822972-1390
📊

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