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BOSTON MARATHON 2025

Qiongfeng Pan

Bib: 23916•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:45
Rank: #22145
Start → 5K
27:45 | 8:56/mi
10K· 6.21 mi
55:16
Rank: #21928 (+217)
5K → 10K
27:31 | 8:51/mi
15K· 9.32 mi
1:22:43
Rank: #21679 (+249)
10K → 15K
27:27 | 8:50/mi
20K· 12.43 mi
1:50:23
Rank: #21347 (+332)
15K → 20K
27:40 | 8:54/mi
Half· 13.11 mi
1:55:56
Rank: #21145 (+202)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:17:22
Rank: #20832 (+313)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:46:11
Rank: #20448 (+384)
25K → 30K
28:49 | 9:17/mi
20M
2:59:11
Rank: #20368 (+80)
30K → 20M
13:00 | 9:34/mi
21M
3:09:15
Rank: #20259 (+109)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
3:16:11
Rank: #20215 (+44)
21M → 35K
6:56 | 9:16/mi
23M
3:28:39
Rank: #20243 (-28)
35K → 23M
12:28 | 9:57/mi
24M
3:38:08
Rank: #20238 (+5)
23M → 24M
9:29 | 9:29/mi
40K· 24.85 mi
3:46:01
Rank: #20142 (+96)
24M → 40K
7:53 | 9:13/mi
25.2M
3:49:32
Rank: #20114 (+28)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:58:44
Rank: #20110 (+4)
25.2M → Finish
9:12 | 9:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:56
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:02:48
Pace9:22 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1327:458:5627:45
8:56
-
10K
6.21 mi11:54:4455:168:5427:31
8:51
-0:05
15K
9.32 mi12:22:111:22:438:5227:27
8:50
-0:01
20K
12.43 mi12:49:511:50:238:5327:40
8:54
+0:04
Half
13.11 mi12:55:241:55:568:515:33
8:08
-0:46
25K
15.53 mi13:16:502:17:228:5121:26
8:50
+0:42
30K
18.64 mi13:45:392:46:118:5528:49
9:17
+0:27
20M
20.00 mi13:58:392:59:118:5813:00
9:34
+0:17
21M
21.00 mi14:08:433:09:159:0110:04
10:04
+0:30
35K
21.75 mi14:15:393:16:119:016:56
9:16
-0:48
23M
23.00 mi14:28:073:28:399:0412:28
9:57
+0:41
24M
24.00 mi14:37:363:38:089:059:29
9:29
-0:28
40K
24.85 mi14:45:293:46:019:067:53
9:13
-0:16
25.2M
25.20 mi14:49:003:49:329:073:31
10:12
+0:59
Finish
26.22 mi14:58:123:58:449:079:12
9:02
-1:10

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

8:08 /mi

Average Pace

9:07 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:22

58% of race

Time at Steady Pace

52:50

22% of race

Time at Slower Pace

48:32

20% of race

Average Pace: 9:06 /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 mi11:27:1327:458:5627:45
8:56
#22145
10K
6.21 mi11:54:4455:168:5427:31
8:51
#21928
15K
9.32 mi12:22:111:22:438:5227:27
8:50
#21679
20K
12.43 mi12:49:511:50:238:5327:40
8:54
#21347
Half
13.11 mi12:55:241:55:568:515:33
8:08
#21145
25K
15.53 mi13:16:502:17:228:5121:26
8:50
#20832
30K
18.64 mi13:45:392:46:118:5528:49
9:17
#20448
20M
20.00 mi13:58:392:59:118:5813:00
9:34
#20368
21M
21.00 mi14:08:433:09:159:0110:04
10:04
#20259
35K
21.75 mi14:15:393:16:119:016:56
9:16
#20215
23M
23.00 mi14:28:073:28:399:0412:28
9:57
#20243
24M
24.00 mi14:37:363:38:089:059:29
9:29
#20238
40K
24.85 mi14:45:293:46:019:067:53
9:13
#20142
25.2M
25.20 mi14:49:003:49:329:073:31
10:12
#20114
Finish
26.22 mi14:58:123:58:449:079:12
9:02
#20110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi221458705870521209(Top 75%)8116(Top 66%)8116(Top 623%)
10K6.21 mi3.10 mi21928+2178566+1398566+13921682(Top 76%)8410(Top 69%)8410(Top 645%)
15K9.32 mi3.11 mi21679+2498418+1488418+14821209(Top 75%)8116(Top 66%)8116(Top 623%)
20K12.43 mi3.11 mi21347+3328224+1948224+19420510(Top 72%)7778(Top 64%)7778(Top 597%)
Half13.11 mi0.68 mi21145+2028106+1188106+11816950(Top 60%)5753(Top 47%)5753(Top 442%)
25K15.53 mi2.42 mi20832+3137948+1587948+15819171(Top 67%)7066(Top 58%)7066(Top 542%)
30K18.64 mi3.11 mi20448+3847789+1597789+15919009(Top 67%)7131(Top 58%)7131(Top 547%)
20M20.00 mi1.36 mi20368+807759+307759+3019493(Top 69%)7521(Top 62%)7521(Top 577%)
21M21.00 mi1.00 mi20259+1097727+327727+3218579(Top 65%)7104(Top 58%)7104(Top 545%)
35K21.75 mi0.75 mi20215+447716+117716+1119476(Top 69%)7708(Top 63%)7708(Top 592%)
23M23.00 mi1.25 mi20243-287756-407756-4020349(Top 72%)8220(Top 67%)8220(Top 631%)
24M24.00 mi1.00 mi20238+57773-177773-1719596(Top 69%)7882(Top 64%)7882(Top 605%)
40K24.85 mi0.85 mi20142+967743+307743+3017482(Top 62%)6858(Top 56%)6858(Top 526%)
25.2M25.20 mi0.35 mi20114+287734+97734+917948(Top 63%)7126(Top 58%)7126(Top 547%)
Finish26.22 mi1.02 mi20110+47737-37737-319212(Top 68%)7728(Top 63%)7728(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21209

Females

8116

F50-54

8116

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21682

Females

8410

F50-54

8410

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21209

Females

8116

F50-54

8116

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20510

Females

7778

F50-54

7778

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16950

Females

5753

F50-54

5753

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19171

Females

7066

F50-54

7066

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19009

Females

7131

F50-54

7131

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19493

Females

7521

F50-54

7521

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18579

Females

7104

F50-54

7104

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19476

Females

7708

F50-54

7708

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20349

Females

8220

F50-54

8220

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19596

Females

7882

F50-54

7882

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17482

Females

6858

F50-54

6858

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17948

Females

7126

F50-54

7126

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19212

Females

7728

F50-54

7728

Passing Analysis

Category:
Athletes Passed
2772
Passed By
737
Net Change
+2035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22145
5K → 10K382165+217#22145#21928
10K → 15K34394+249#21928#21679
15K → 20K38856+332#21679#21347
20K → Half2020+202#21347#21145
Half → 25K32815+313#21145#20832
25K → 30K42642+384#20832#20448
30K → 20M13252+80#20448#20368
20M → 21M14536+109#20368#20259
21M → 35K7228+44#20259#20215
35K → 23M79107-28#20215#20243
23M → 24M5550+5#20243#20238
24M → 40K11519+96#20238#20142
40K → 25.2M4012+28#20142#20114
25.2M → Finish6561+4#20114#20110
TOTALS2772737+2035
📊

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