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BOSTON MARATHON 2025

Jenny Xu

Bib: 6692•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
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
6:47/mi
21:03
↑ 97↓ 3451.5%
10K· 6.21 mi
6:46/mi
42:04
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:03
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:24:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:28:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:51/mi
1:45:20
↑ 66↓ 880.2%
30K· 18.64 mi
7:06/mi
2:07:23
↑ 181↓ 1480.2%
20M
7:16/mi
2:17:15
↑ 64↓ 500.2%
21M
7:51/mi
2:25:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:01/mi
2:30:21
↑ 17↓ 861.7%
23M
7:26/mi
2:39:40
↑ 23↓ 630.6%
24M
7:09/mi
2:46:49
↓ 821.3%
40K· 24.85 mi
7:08/mi
2:52:55
↓ 200.3%
25.2M
7:41/mi
2:55:34
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
3:02:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:44
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:33:40
Pace7:09 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3221:036:4721:03
6:47
-
10K
6.21 mi10:49:3342:046:4621:01
6:46
-0:01
15K
9.32 mi11:10:321:03:036:4620:59
6:45
-0:01
20K
12.43 mi11:31:361:24:076:4621:04
6:47
+0:02
Half
13.11 mi11:36:131:28:446:464:37
6:46
-0:01
25K
15.53 mi11:52:491:45:206:4716:36
6:51
+0:05
30K
18.64 mi12:14:522:07:236:5022:03
7:06
+0:15
20M
20.00 mi12:24:442:17:156:529:52
7:16
+0:10
21M
21.00 mi12:32:352:25:066:557:51
7:51
+0:35
35K
21.75 mi12:37:502:30:216:555:15
7:01
-0:50
23M
23.00 mi12:47:092:39:406:579:19
7:26
+0:25
24M
24.00 mi12:54:182:46:496:577:09
7:09
-0:17
40K
24.85 mi13:00:242:52:556:576:06
7:08
-0:01
25.2M
25.20 mi13:03:032:55:346:582:39
7:41
+0:33
Finish
26.22 mi13:09:533:02:246:586:50
6:42
-0:59

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

6:42 /mi

Average Pace

6:58 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:35

89% of race

Time at Steady Pace

19:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:28:3221:036:4721:03
6:47
#6134
10K
6.21 mi10:49:3342:046:4621:01
6:46
#6026
15K
9.32 mi11:10:321:03:036:4620:59
6:45
#5872
20K
12.43 mi11:31:361:24:076:4621:04
6:47
#5667
Half
13.11 mi11:36:131:28:446:464:37
6:46
#5668
25K
15.53 mi11:52:491:45:206:4716:36
6:51
#5548
30K
18.64 mi12:14:522:07:236:5022:03
7:06
#5463
20M
20.00 mi12:24:442:17:156:529:52
7:16
#5470
21M
21.00 mi12:32:352:25:066:557:51
7:51
#5501
35K
21.75 mi12:37:502:30:216:555:15
7:01
#5480
23M
23.00 mi12:47:092:39:406:579:19
7:26
#5456
24M
24.00 mi12:54:182:46:496:577:09
7:09
#5412
40K
24.85 mi13:00:242:52:556:576:06
7:08
#5334
25.2M
25.20 mi13:03:032:55:346:582:39
7:41
#5291
Finish
26.22 mi13:09:533:02:246:586:50
6:42
#5197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi61344974975654(Top 20%)476(Top 4%)476(Top 9%)
10K6.21 mi3.10 mi6026+108484+13484+136020(Top 21%)504(Top 4%)504(Top 9%)
15K9.32 mi3.11 mi5872+154470+14470+145654(Top 20%)476(Top 4%)476(Top 9%)
20K12.43 mi3.11 mi5667+205450+20450+205131(Top 18%)391(Top 3%)391(Top 7%)
Half13.11 mi0.68 mi5668-1449+1449+15928(Top 21%)526(Top 4%)526(Top 10%)
25K15.53 mi2.42 mi5548+120438+11438+115267(Top 19%)434(Top 4%)434(Top 8%)
30K18.64 mi3.11 mi5463+85445-7445-75303(Top 19%)507(Top 4%)507(Top 9%)
20M20.00 mi1.36 mi5470-7454-9454-95571(Top 20%)663(Top 5%)663(Top 12%)
21M21.00 mi1.00 mi5501-31467-13467-136503(Top 23%)1094(Top 9%)1094(Top 20%)
35K21.75 mi0.75 mi5480+21473-6473-65502(Top 19%)752(Top 6%)752(Top 14%)
23M23.00 mi1.25 mi5456+24481-8481-86313(Top 22%)1131(Top 9%)1131(Top 21%)
24M24.00 mi1.00 mi5412+44483-2483-25534(Top 19%)892(Top 7%)892(Top 16%)
40K24.85 mi0.85 mi5334+78482+1482+14703(Top 17%)686(Top 6%)686(Top 13%)
25.2M25.20 mi0.35 mi5291+43478+4478+44329(Top 15%)651(Top 5%)651(Top 12%)
Finish26.22 mi1.02 mi5197+94472+6472+63940(Top 14%)532(Top 4%)532(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5654

Females

476

F18-39

476

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

6020

Females

504

F18-39

504

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5654

Females

476

F18-39

476

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5131

Females

391

F18-39

391

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5928

Females

526

F18-39

526

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5267

Females

434

F18-39

434

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5303

Females

507

F18-39

507

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5571

Females

663

F18-39

663

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6503

Females

1094

F18-39

1094

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5502

Females

752

F18-39

752

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6313

Females

1131

F18-39

1131

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5534

Females

892

F18-39

892

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4703

Females

686

F18-39

686

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4329

Females

651

F18-39

651

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3940

Females

532

F18-39

532

Passing Analysis

Category:
Athletes Passed
1698
Passed By
761
Net Change
+937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6134
5K → 10K235127+108#6134#6026
10K → 15K22268+154#6026#5872
15K → 20K24035+205#5872#5667
20K → Half2425-1#5667#5668
Half → 25K17151+120#5668#5548
25K → 30K218133+85#5548#5463
30K → 20M7279-7#5463#5470
20M → 21M5384-31#5470#5501
21M → 35K5534+21#5501#5480
35K → 23M9773+24#5480#5456
23M → 24M6925+44#5456#5412
24M → 40K9618+78#5412#5334
40K → 25.2M463+43#5334#5291
25.2M → Finish1006+94#5291#5197
TOTALS1698761+937
📊

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