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BOSTON MARATHON 2025

Jessica Zaper

Bib: 13287•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 23%
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
7:19/mi
22:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:48
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:06:25
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:28:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:33:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:51:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:15:36
↑ 181↓ 1480.2%
20M
7:50/mi
2:26:15
↑ 64↓ 500.2%
21M
8:19/mi
2:34:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:40:14
↑ 17↓ 861.7%
23M
7:48/mi
2:50:00
↑ 23↓ 630.6%
24M
7:42/mi
2:57:42
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:04:17
↓ 200.3%
25.2M
8:36/mi
3:07:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:24/mi
3:14:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:38
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3922:437:1922:43
7:19
-
10K
6.21 mi11:13:4444:487:1322:05
7:06
-0:13
15K
9.32 mi11:35:211:06:257:0821:37
6:57
-0:09
20K
12.43 mi11:57:421:28:467:0922:21
7:12
+0:15
Half
13.11 mi12:02:341:33:387:094:52
7:08
-0:04
25K
15.53 mi12:20:371:51:417:1118:03
7:27
+0:19
30K
18.64 mi12:44:322:15:367:1623:55
7:42
+0:15
20M
20.00 mi12:55:112:26:157:1910:39
7:50
+0:08
21M
21.00 mi13:03:302:34:347:228:19
8:19
+0:29
35K
21.75 mi13:09:102:40:147:225:40
7:34
-0:45
23M
23.00 mi13:18:562:50:007:239:46
7:48
+0:14
24M
24.00 mi13:26:382:57:427:247:42
7:42
-0:06
40K
24.85 mi13:33:133:04:177:256:35
7:42
0:00
25.2M
25.20 mi13:36:113:07:157:262:58
8:36
+0:54
Finish
26.22 mi13:43:433:14:477:267:32
7:24
-1:12

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

6:57 /mi

Average Pace

7:26 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:38

48% of race

Time at Steady Pace

1:09:27

36% of race

Time at Slower Pace

31:42

16% of race

Average Pace: 7:26 /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 mi10:51:3922:437:1922:43
7:19
#10491
10K
6.21 mi11:13:4444:487:1322:05
7:06
#9536
15K
9.32 mi11:35:211:06:257:0821:37
6:57
#8715
20K
12.43 mi11:57:421:28:467:0922:21
7:12
#8491
Half
13.11 mi12:02:341:33:387:094:52
7:08
#8482
25K
15.53 mi12:20:371:51:417:1118:03
7:27
#8590
30K
18.64 mi12:44:322:15:367:1623:55
7:42
#8629
20M
20.00 mi12:55:112:26:157:1910:39
7:50
#8635
21M
21.00 mi13:03:302:34:347:228:19
8:19
#8644
35K
21.75 mi13:09:102:40:147:225:40
7:34
#8631
23M
23.00 mi13:18:562:50:007:239:46
7:48
#8543
24M
24.00 mi13:26:382:57:427:247:42
7:42
#8566
40K
24.85 mi13:33:133:04:177:256:35
7:42
#8493
25.2M
25.20 mi13:36:113:07:157:262:58
8:36
#8498
Finish
26.22 mi13:43:433:14:477:267:32
7:24
#8482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10491202820287372(Top 26%)828(Top 7%)828(Top 15%)
10K6.21 mi3.10 mi9536+9551590+4381590+4388751(Top 31%)1282(Top 10%)1282(Top 23%)
15K9.32 mi3.11 mi8715+8211277+3131277+3137372(Top 26%)828(Top 7%)828(Top 15%)
20K12.43 mi3.11 mi8491+2241218+591218+598176(Top 29%)1180(Top 10%)1180(Top 22%)
Half13.11 mi0.68 mi8482+91214+41214+48614(Top 30%)1335(Top 11%)1335(Top 24%)
25K15.53 mi2.42 mi8590-1081273-591273-599510(Top 33%)1877(Top 15%)1877(Top 34%)
30K18.64 mi3.11 mi8629-391350-771350-779188(Top 32%)1915(Top 16%)1915(Top 35%)
20M20.00 mi1.36 mi8635-61394-441394-449292(Top 33%)2110(Top 17%)2110(Top 39%)
21M21.00 mi1.00 mi8644-91431-371431-379339(Top 33%)2298(Top 19%)2298(Top 42%)
35K21.75 mi0.75 mi8631+131438-71438-79170(Top 32%)2192(Top 18%)2192(Top 40%)
23M23.00 mi1.25 mi8543+881452-141452-148602(Top 30%)2080(Top 17%)2080(Top 38%)
24M24.00 mi1.00 mi8566-231489-371489-379121(Top 32%)2377(Top 19%)2377(Top 43%)
40K24.85 mi0.85 mi8493+731501-121501-128101(Top 29%)2028(Top 17%)2028(Top 37%)
25.2M25.20 mi0.35 mi8498-51522-211522-219453(Top 33%)2730(Top 22%)2730(Top 50%)
Finish26.22 mi1.02 mi8482+161535-131535-138433(Top 30%)2244(Top 18%)2244(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7372

Females

828

F18-39

828

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8751

Females

1282

F18-39

1282

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7372

Females

828

F18-39

828

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8176

Females

1180

F18-39

1180

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8614

Females

1335

F18-39

1335

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9510

Females

1877

F18-39

1877

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9188

Females

1915

F18-39

1915

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9292

Females

2110

F18-39

2110

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9339

Females

2298

F18-39

2298

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9170

Females

2192

F18-39

2192

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8602

Females

2080

F18-39

2080

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9121

Females

2377

F18-39

2377

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8101

Females

2028

F18-39

2028

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9453

Females

2730

F18-39

2730

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8433

Females

2244

F18-39

2244

Passing Analysis

Category:
Athletes Passed
3132*
Passed By
1123
Net Change
+2009
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10491
5K → 10K985*30+955#10491#9536
10K → 15K8265+821#9536#8715
15K → 20K28965+224#8715#8491
20K → Half3728+9#8491#8482
Half → 25K103211-108#8482#8590
25K → 30K197236-39#8590#8629
30K → 20M96102-6#8629#8635
20M → 21M92101-9#8635#8644
21M → 35K6350+13#8644#8631
35K → 23M16072+88#8631#8543
23M → 24M6790-23#8543#8566
24M → 40K11037+73#8566#8493
40K → 25.2M3742-5#8493#8498
25.2M → Finish7054+16#8498#8482
TOTALS3132*1123+2009

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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