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BOSTON MARATHON 2025

Yiyi Pan

Bib: 9223•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M45-49)
#0 / 2386
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:43
Rank: #7724
Start → 5K
21:43 | 6:59/mi
10K· 6.21 mi
43:10
Rank: #7481 (+243)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:34
Rank: #7281 (+200)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:26:29
Rank: #7230 (+51)
15K → 20K
21:55 | 7:03/mi
Half· 13.11 mi
1:31:14
Rank: #7233 (-3)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:30
Rank: #7162 (+71)
Half → 25K
17:16 | 7:07/mi
30K· 18.64 mi
2:11:04
Rank: #6865 (+297)
25K → 30K
22:34 | 7:16/mi
20M
2:21:06
Rank: #6733 (+132)
30K → 20M
10:02 | 7:23/mi
21M
2:28:49
Rank: #6617 (+116)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:34:08
Rank: #6544 (+73)
21M → 35K
5:19 | 7:06/mi
23M
2:43:25
Rank: #6442 (+102)
35K → 23M
9:17 | 7:25/mi
24M
2:50:36
Rank: #6353 (+89)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:56:58
Rank: #6321 (+32)
24M → 40K
6:22 | 7:27/mi
25.2M
2:59:47
Rank: #6306 (+15)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:06:33
Rank: #6142 (+164)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:35:19
Pace7:16 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5821:436:5921:43
6:59
-
10K
6.21 mi11:08:2543:106:5721:27
6:54
-0:05
15K
9.32 mi11:29:491:04:346:5621:24
6:53
-0:01
20K
12.43 mi11:51:441:26:296:5821:55
7:03
+0:10
Half
13.11 mi11:56:291:31:146:584:45
6:58
-0:05
25K
15.53 mi12:13:451:48:306:5917:16
7:07
+0:09
30K
18.64 mi12:36:192:11:047:0222:34
7:16
+0:09
20M
20.00 mi12:46:212:21:067:0310:02
7:23
+0:07
21M
21.00 mi12:54:042:28:497:057:43
7:43
+0:20
35K
21.75 mi12:59:232:34:087:055:19
7:06
-0:37
23M
23.00 mi13:08:402:43:257:069:17
7:25
+0:19
24M
24.00 mi13:15:512:50:367:077:11
7:11
-0:14
40K
24.85 mi13:22:132:56:587:076:22
7:27
+0:16
25.2M
25.20 mi13:25:022:59:477:082:49
8:10
+0:43
Finish
26.22 mi13:31:483:06:337:076:46
6:38
-1:32

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

6:38 /mi

Average Pace

7:07 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:37

27% of race

Time at Steady Pace

1:40:43

54% of race

Time at Slower Pace

36:13

19% of race

Average Pace: 7:07 /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 mi10:46:5821:436:5921:43
6:59
#7724
10K
6.21 mi11:08:2543:106:5721:27
6:54
#7481
15K
9.32 mi11:29:491:04:346:5621:24
6:53
#7281
20K
12.43 mi11:51:441:26:296:5821:55
7:03
#7230
Half
13.11 mi11:56:291:31:146:584:45
6:58
#7233
25K
15.53 mi12:13:451:48:306:5917:16
7:07
#7162
30K
18.64 mi12:36:192:11:047:0222:34
7:16
#6865
20M
20.00 mi12:46:212:21:067:0310:02
7:23
#6733
21M
21.00 mi12:54:042:28:497:057:43
7:43
#6617
35K
21.75 mi12:59:232:34:087:055:19
7:06
#6544
23M
23.00 mi13:08:402:43:257:069:17
7:25
#6442
24M
24.00 mi13:15:512:50:367:077:11
7:11
#6353
40K
24.85 mi13:22:132:56:587:076:22
7:27
#6321
25.2M
25.20 mi13:25:022:59:477:082:49
8:10
#6306
Finish
26.22 mi13:31:483:06:337:076:46
6:38
#6142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7724680968096846(Top 24%)6134(Top 38%)6134(Top 257%)
10K6.21 mi3.10 mi7481+2436639+1706639+1707244(Top 26%)6466(Top 40%)6466(Top 271%)
15K9.32 mi3.11 mi7281+2006495+1446495+1446846(Top 24%)6134(Top 38%)6134(Top 257%)
20K12.43 mi3.11 mi7230+516440+556440+557207(Top 25%)6346(Top 39%)6346(Top 266%)
Half13.11 mi0.68 mi7233-36438+26438+27233(Top 25%)6375(Top 40%)6375(Top 267%)
25K15.53 mi2.42 mi7162+716369+696369+697088(Top 25%)6178(Top 38%)6178(Top 259%)
30K18.64 mi3.11 mi6865+2976104+2656104+2656242(Top 22%)5479(Top 34%)5479(Top 230%)
20M20.00 mi1.36 mi6733+1325985+1195985+1196261(Top 22%)5366(Top 33%)5366(Top 225%)
21M21.00 mi1.00 mi6617+1165876+1095876+1095708(Top 20%)4868(Top 30%)4868(Top 204%)
35K21.75 mi0.75 mi6544+735803+735803+735986(Top 21%)5043(Top 31%)5043(Top 211%)
23M23.00 mi1.25 mi6442+1025709+945709+946116(Top 22%)5032(Top 31%)5032(Top 211%)
24M24.00 mi1.00 mi6353+895621+885621+885696(Top 20%)4721(Top 29%)4721(Top 198%)
40K24.85 mi0.85 mi6321+325579+425579+426453(Top 23%)5109(Top 32%)5109(Top 214%)
25.2M25.20 mi0.35 mi6306+155555+245555+246785(Top 24%)5204(Top 32%)5204(Top 218%)
Finish26.22 mi1.02 mi6142+1645419+1365419+1363556(Top 13%)3103(Top 19%)3103(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6846

Males

6134

M45-49

6134

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7244

Males

6466

M45-49

6466

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6846

Males

6134

M45-49

6134

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7207

Males

6346

M45-49

6346

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7233

Males

6375

M45-49

6375

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7088

Males

6178

M45-49

6178

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6242

Males

5479

M45-49

5479

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6261

Males

5366

M45-49

5366

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5708

Males

4868

M45-49

4868

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5986

Males

5043

M45-49

5043

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6116

Males

5032

M45-49

5032

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5696

Males

4721

M45-49

4721

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6453

Males

5109

M45-49

5109

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6785

Males

5204

M45-49

5204

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3556

Males

3103

M45-49

3103

Passing Analysis

Category:
Athletes Passed
2145
Passed By
563
Net Change
+1582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7724
5K → 10K33794+243#7724#7481
10K → 15K25757+200#7481#7281
15K → 20K158107+51#7281#7230
20K → Half1316-3#7230#7233
Half → 25K14473+71#7233#7162
25K → 30K34346+297#7162#6865
30K → 20M15422+132#6865#6733
20M → 21M13721+116#6733#6617
21M → 35K8815+73#6617#6544
35K → 23M13634+102#6544#6442
23M → 24M10617+89#6442#6353
24M → 40K7240+32#6353#6321
40K → 25.2M3318+15#6321#6306
25.2M → Finish1673+164#6306#6142
TOTALS2145563+1582
📊

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