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BOSTON MARATHON 2025

Qinghong Helen Li

Bib: 23295•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #19702
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:54
Rank: #19930 (-228)
5K → 10K
26:36 | 8:34/mi
15K· 9.32 mi
1:20:06
Rank: #20199 (-269)
10K → 15K
27:12 | 8:45/mi
20K· 12.43 mi
1:48:04
Rank: #20400 (-201)
15K → 20K
27:58 | 9:00/mi
Half· 13.11 mi
1:54:04
Rank: #20419 (-19)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:19:04
Rank: #21353 (-934)
Half → 25K
25:00 | 10:19/mi
30K· 18.64 mi
2:50:00
Rank: #21408 (-55)
25K → 30K
30:56 | 9:57/mi
20M
3:03:20
Rank: #21317 (+91)
30K → 20M
13:20 | 9:49/mi
21M
3:13:46
Rank: #21241 (+76)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
3:21:00
Rank: #21213 (+28)
21M → 35K
7:14 | 9:40/mi
23M
3:33:25
Rank: #21138 (+75)
35K → 23M
12:25 | 9:55/mi
24M
3:43:05
Rank: #21099 (+39)
23M → 24M
9:40 | 9:40/mi
40K· 24.85 mi
3:51:44
Rank: #21103 (-4)
24M → 40K
8:39 | 10:07/mi
25.2M
3:56:06
Rank: #21169 (-66)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
4:05:38
Rank: #21145 (+24)
25.2M → Finish
9:32 | 9:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:04
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:11:34
Pace10:02 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0226:188:2826:18
8:28
-
10K
6.21 mi11:50:3852:548:3126:36
8:34
+0:06
15K
9.32 mi12:17:501:20:068:3627:12
8:45
+0:11
20K
12.43 mi12:45:481:48:048:4227:58
9:00
+0:15
Half
13.11 mi12:51:481:54:048:426:00
8:48
-0:12
25K
15.53 mi13:16:482:19:048:5725:00
10:19
+1:31
30K
18.64 mi13:47:442:50:009:0730:56
9:57
-0:22
20M
20.00 mi14:01:043:03:209:1013:20
9:49
-0:08
21M
21.00 mi14:11:303:13:469:1410:26
10:26
+0:37
35K
21.75 mi14:18:443:21:009:157:14
9:40
-0:46
23M
23.00 mi14:31:093:33:259:1712:25
9:55
+0:15
24M
24.00 mi14:40:493:43:059:189:40
9:40
-0:15
40K
24.85 mi14:49:283:51:449:198:39
10:07
+0:27
25.2M
25.20 mi14:53:503:56:069:224:22
12:40
+2:33
Finish
26.22 mi15:03:224:05:389:239:32
9:21
-3:19

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

8:28 /mi

Average Pace

9:23 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:04

46% of race

Time at Steady Pace

1:31:46

37% of race

Time at Slower Pace

39:48

16% of race

Average Pace: 9:22 /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 mi11:24:0226:188:2826:18
8:28
#19702
10K
6.21 mi11:50:3852:548:3126:36
8:34
#19930
15K
9.32 mi12:17:501:20:068:3627:12
8:45
#20199
20K
12.43 mi12:45:481:48:048:4227:58
9:00
#20400
Half
13.11 mi12:51:481:54:048:426:00
8:48
#20419
25K
15.53 mi13:16:482:19:048:5725:00
10:19
#21353
30K
18.64 mi13:47:442:50:009:0730:56
9:57
#21408
20M
20.00 mi14:01:043:03:209:1013:20
9:49
#21317
21M
21.00 mi14:11:303:13:469:1410:26
10:26
#21241
35K
21.75 mi14:18:443:21:009:157:14
9:40
#21213
23M
23.00 mi14:31:093:33:259:1712:25
9:55
#21138
24M
24.00 mi14:40:493:43:059:189:40
9:40
#21099
40K
24.85 mi14:49:283:51:449:198:39
10:07
#21103
25.2M
25.20 mi14:53:503:56:069:224:22
12:40
#21169
Finish
26.22 mi15:03:224:05:389:239:32
9:21
#21145
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi197027332733220797(Top 73%)7886(Top 64%)7886(Top 793%)
10K6.21 mi3.10 mi19930-2287432-1007432-10020164(Top 71%)7556(Top 62%)7556(Top 760%)
15K9.32 mi3.11 mi20199-2697583-1517583-15120797(Top 73%)7886(Top 64%)7886(Top 793%)
20K12.43 mi3.11 mi20400-2017703-1207703-12020990(Top 74%)8053(Top 66%)8053(Top 810%)
Half13.11 mi0.68 mi20419-197717-147717-1420930(Top 74%)8013(Top 66%)8013(Top 806%)
25K15.53 mi2.42 mi21353-9348245-5288245-52823980(Top 84%)9728(Top 80%)9728(Top 979%)
30K18.64 mi3.11 mi21408-558306-618306-6121473(Top 76%)8488(Top 69%)8488(Top 854%)
20M20.00 mi1.36 mi21317+918280+268280+2620344(Top 72%)7989(Top 65%)7989(Top 804%)
21M21.00 mi1.00 mi21241+768252+288252+2819816(Top 70%)7809(Top 64%)7809(Top 786%)
35K21.75 mi0.75 mi21213+288252825220920(Top 74%)8463(Top 69%)8463(Top 851%)
23M23.00 mi1.25 mi21138+758237+158237+1520246(Top 71%)8173(Top 67%)8173(Top 822%)
24M24.00 mi1.00 mi21099+398247-108247-1020293(Top 71%)8240(Top 67%)8240(Top 829%)
40K24.85 mi0.85 mi21103-48258-118258-1120849(Top 73%)8584(Top 70%)8584(Top 864%)
25.2M25.20 mi0.35 mi21169-668302-448302-4424512(Top 86%)10420(Top 85%)10420(Top 1048%)
Finish26.22 mi1.02 mi21145+248303-18303-120627(Top 73%)8459(Top 69%)8459(Top 851%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20797

Females

7886

F55-59

7886

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20164

Females

7556

F55-59

7556

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20797

Females

7886

F55-59

7886

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

20990

Females

8053

F55-59

8053

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

20930

Females

8013

F55-59

8013

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23980

Females

9728

F55-59

9728

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21473

Females

8488

F55-59

8488

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20344

Females

7989

F55-59

7989

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19816

Females

7809

F55-59

7809

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20920

Females

8463

F55-59

8463

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20246

Females

8173

F55-59

8173

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20293

Females

8240

F55-59

8240

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20849

Females

8584

F55-59

8584

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24512

Females

10420

F55-59

10420

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20627

Females

8459

F55-59

8459

Passing Analysis

Category:
Athletes Passed
1287
Passed By
2730
Net Change
-1443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19702
5K → 10K171399-228#19702#19930
10K → 15K108377-269#19930#20199
15K → 20K132333-201#20199#20400
20K → Half2443-19#20400#20419
Half → 25K22956-934#20419#21353
25K → 30K180235-55#21353#21408
30K → 20M14049+91#21408#21317
20M → 21M12145+76#21317#21241
21M → 35K6638+28#21241#21213
35K → 23M12449+75#21213#21138
23M → 24M8243+39#21138#21099
24M → 40K4751-4#21099#21103
40K → 25.2M1177-66#21103#21169
25.2M → Finish5935+24#21169#21145
TOTALS12872730-1443
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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