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BOSTON MARATHON 2025

Jane Xiang

Bib: 20058•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 25%
Division (F55-59)
#0 / 994
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
7:30/mi
23:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:10:13
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:34:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:40:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:00:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:27:29
↑ 181↓ 1480.2%
20M
9:04/mi
2:39:48
↑ 64↓ 500.2%
21M
9:58/mi
2:49:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
2:56:09
↑ 17↓ 861.7%
23M
8:58/mi
3:07:23
↑ 23↓ 630.6%
24M
8:49/mi
3:16:12
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:23:52
↓ 200.3%
25.2M
10:23/mi
3:27:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:36:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:11
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:55:58
Pace8:51 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0423:197:3023:19
7:30
-
10K
6.21 mi11:38:2146:367:3023:17
7:30
0:00
15K
9.32 mi12:01:581:10:137:3223:37
7:36
+0:06
20K
12.43 mi12:26:341:34:497:3824:36
7:55
+0:19
Half
13.11 mi12:31:561:40:117:395:22
7:52
-0:03
25K
15.53 mi12:51:572:00:127:4420:01
8:15
+0:23
30K
18.64 mi13:19:142:27:297:5527:17
8:47
+0:32
20M
20.00 mi13:31:332:39:487:5912:19
9:04
+0:17
21M
21.00 mi13:41:312:49:468:059:58
9:58
+0:54
35K
21.75 mi13:47:542:56:098:066:23
8:32
-1:26
23M
23.00 mi13:59:083:07:238:0911:14
8:58
+0:26
24M
24.00 mi14:07:573:16:128:118:49
8:49
-0:09
40K
24.85 mi14:15:373:23:528:127:40
8:58
+0:09
25.2M
25.20 mi14:19:123:27:278:143:35
10:23
+1:25
Finish
26.22 mi14:27:543:36:098:158:42
8:32
-1:51

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

7:30 /mi

Average Pace

8:15 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:11

46% of race

Time at Steady Pace

1:11:12

33% of race

Time at Slower Pace

44:46

21% of race

Average Pace: 8:15 /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 mi11:15:0423:197:3023:19
7:30
#12314
10K
6.21 mi11:38:2146:367:3023:17
7:30
#12140
15K
9.32 mi12:01:581:10:137:3223:37
7:36
#12281
20K
12.43 mi12:26:341:34:497:3824:36
7:55
#12747
Half
13.11 mi12:31:561:40:117:395:22
7:52
#12855
25K
15.53 mi12:51:572:00:127:4420:01
8:15
#13337
30K
18.64 mi13:19:142:27:297:5527:17
8:47
#13979
20M
20.00 mi13:31:332:39:487:5912:19
9:04
#14237
21M
21.00 mi13:41:312:49:468:059:58
9:58
#14547
35K
21.75 mi13:47:542:56:098:066:23
8:32
#14573
23M
23.00 mi13:59:083:07:238:0911:14
8:58
#14656
24M
24.00 mi14:07:573:16:128:118:49
8:49
#14713
40K
24.85 mi14:15:373:23:528:127:40
8:58
#14757
25.2M
25.20 mi14:19:123:27:278:143:35
10:23
#14827
Finish
26.22 mi14:27:543:36:098:158:42
8:32
#14878
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi123142975297512627(Top 44%)3239(Top 26%)3239(Top 326%)
10K6.21 mi3.10 mi12140+1742885+902885+9012061(Top 42%)2854(Top 23%)2854(Top 287%)
15K9.32 mi3.11 mi12281-1412991-1062991-10612627(Top 44%)3239(Top 26%)3239(Top 326%)
20K12.43 mi3.11 mi12747-4663300-3093300-30914275(Top 50%)4239(Top 35%)4239(Top 426%)
Half13.11 mi0.68 mi12855-1083370-703370-7014868(Top 52%)4546(Top 37%)4546(Top 457%)
25K15.53 mi2.42 mi13337-4823674-3043674-30415651(Top 55%)5099(Top 42%)5099(Top 513%)
30K18.64 mi3.11 mi13979-6424093-4194093-41916491(Top 58%)5736(Top 47%)5736(Top 577%)
20M20.00 mi1.36 mi14237-2584269-1764269-17617140(Top 60%)6211(Top 51%)6211(Top 625%)
21M21.00 mi1.00 mi14547-3104470-2014470-20118176(Top 64%)6880(Top 56%)6880(Top 692%)
35K21.75 mi0.75 mi14573-264496-264496-2615685(Top 55%)5603(Top 46%)5603(Top 564%)
23M23.00 mi1.25 mi14656-834579-834579-8316110(Top 57%)5944(Top 49%)5944(Top 598%)
24M24.00 mi1.00 mi14713-574640-614640-6116423(Top 58%)6159(Top 50%)6159(Top 620%)
40K24.85 mi0.85 mi14757-444694-544694-5416116(Top 57%)6097(Top 50%)6097(Top 613%)
25.2M25.20 mi0.35 mi14827-704738-444738-4418612(Top 66%)7423(Top 61%)7423(Top 747%)
Finish26.22 mi1.02 mi14878-514805-674805-6716469(Top 58%)6279(Top 51%)6279(Top 632%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12627

Females

3239

F55-59

3239

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12061

Females

2854

F55-59

2854

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12627

Females

3239

F55-59

3239

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14275

Females

4239

F55-59

4239

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14868

Females

4546

F55-59

4546

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15651

Females

5099

F55-59

5099

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16491

Females

5736

F55-59

5736

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17140

Females

6211

F55-59

6211

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18176

Females

6880

F55-59

6880

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15685

Females

5603

F55-59

5603

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16110

Females

5944

F55-59

5944

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16423

Females

6159

F55-59

6159

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16116

Females

6097

F55-59

6097

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18612

Females

7423

F55-59

7423

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16469

Females

6279

F55-59

6279

Passing Analysis

Category:
Athletes Passed
1186
Passed By
3750
Net Change
-2564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12314
5K → 10K348174+174#12314#12140
10K → 15K138279-141#12140#12281
15K → 20K84550-466#12281#12747
20K → Half9117-108#12747#12855
Half → 25K69551-482#12855#13337
25K → 30K111753-642#13337#13979
30K → 20M63321-258#13979#14237
20M → 21M46356-310#14237#14547
21M → 35K6389-26#14547#14573
35K → 23M68151-83#14573#14656
23M → 24M55112-57#14656#14713
24M → 40K5599-44#14713#14757
40K → 25.2M1989-70#14757#14827
25.2M → Finish58109-51#14827#14878
TOTALS11863750-2564
📊

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