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BOSTON MARATHON 2025

Xiaobin Qiu

Bib: 9884•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M55-59)
#0 / 1648
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
7:24/mi
23:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:08:02
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:30:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:35:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:52:57
↑ 66↓ 880.2%
30K· 18.64 mi
7:18/mi
2:15:38
↑ 181↓ 1480.2%
20M
7:22/mi
2:25:38
↑ 64↓ 500.2%
21M
7:48/mi
2:33:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:38:46
↑ 17↓ 861.7%
23M
7:25/mi
2:48:03
↑ 23↓ 630.6%
24M
7:11/mi
2:55:14
↓ 821.3%
40K· 24.85 mi
7:15/mi
3:01:26
↓ 200.3%
25.2M
7:47/mi
3:04:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:07/mi
3:11:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:57
Pace7:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4823:007:2423:00
7:24
-
10K
6.21 mi11:15:2745:397:2122:39
7:17
-0:07
15K
9.32 mi11:37:501:08:027:1822:23
7:12
-0:05
20K
12.43 mi12:00:221:30:347:1722:32
7:15
+0:03
Half
13.11 mi12:05:131:35:257:174:51
7:07
-0:08
25K
15.53 mi12:22:451:52:577:1617:32
7:14
+0:07
30K
18.64 mi12:45:262:15:387:1722:41
7:18
+0:04
20M
20.00 mi12:55:262:25:387:1710:00
7:22
+0:04
21M
21.00 mi13:03:142:33:267:187:48
7:48
+0:26
35K
21.75 mi13:08:342:38:467:185:20
7:08
-0:40
23M
23.00 mi13:17:512:48:037:189:17
7:25
+0:17
24M
24.00 mi13:25:022:55:147:187:11
7:11
-0:14
40K
24.85 mi13:31:143:01:267:186:12
7:15
+0:04
25.2M
25.20 mi13:33:553:04:077:182:41
7:47
+0:32
Finish
26.22 mi13:41:103:11:227:187:15
7:07
-0:40

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

7:07 /mi

Average Pace

7:18 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:53

95% of race

Time at Steady Pace

10:29

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:52:4823:007:2423:00
7:24
#11330
10K
6.21 mi11:15:2745:397:2122:39
7:17
#10732
15K
9.32 mi11:37:501:08:027:1822:23
7:12
#10193
20K
12.43 mi12:00:221:30:347:1722:32
7:15
#9758
Half
13.11 mi12:05:131:35:257:174:51
7:07
#9675
25K
15.53 mi12:22:451:52:577:1617:32
7:14
#9319
30K
18.64 mi12:45:262:15:387:1722:41
7:18
#8638
20M
20.00 mi12:55:262:25:387:1710:00
7:22
#8390
21M
21.00 mi13:03:142:33:267:187:48
7:48
#8185
35K
21.75 mi13:08:342:38:467:185:20
7:08
#8060
23M
23.00 mi13:17:512:48:037:189:17
7:25
#7850
24M
24.00 mi13:25:022:55:147:187:11
7:11
#7720
40K
24.85 mi13:31:143:01:267:186:12
7:15
#7581
25.2M
25.20 mi13:33:553:04:077:182:41
7:47
#7515
Finish
26.22 mi13:41:103:11:227:187:15
7:07
#7432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi11330885088509148(Top 32%)7628(Top 47%)7628(Top 463%)
10K6.21 mi3.10 mi10732+5988527+3238527+32310253(Top 36%)8281(Top 51%)8281(Top 502%)
15K9.32 mi3.11 mi10193+5398235+2928235+2929148(Top 32%)7628(Top 47%)7628(Top 463%)
20K12.43 mi3.11 mi9758+4357973+2627973+2628630(Top 30%)7236(Top 45%)7236(Top 439%)
Half13.11 mi0.68 mi9675+837925+487925+488291(Top 29%)7060(Top 44%)7060(Top 428%)
25K15.53 mi2.42 mi9319+3567702+2237702+2237808(Top 27%)6637(Top 41%)6637(Top 403%)
30K18.64 mi3.11 mi8638+6817264+4387264+4386454(Top 23%)5618(Top 35%)5618(Top 341%)
20M20.00 mi1.36 mi8390+2487083+1817083+1816122(Top 22%)5278(Top 33%)5278(Top 320%)
21M21.00 mi1.00 mi8185+2056921+1626921+1626170(Top 22%)5171(Top 32%)5171(Top 314%)
35K21.75 mi0.75 mi8060+1256822+996822+996132(Top 22%)5154(Top 32%)5154(Top 313%)
23M23.00 mi1.25 mi7850+2106645+1776645+1776122(Top 22%)5038(Top 31%)5038(Top 306%)
24M24.00 mi1.00 mi7720+1306530+1156530+1155708(Top 20%)4733(Top 29%)4733(Top 287%)
40K24.85 mi0.85 mi7581+1396408+1226408+1225349(Top 19%)4450(Top 28%)4450(Top 270%)
25.2M25.20 mi0.35 mi7515+666349+596349+594747(Top 17%)3945(Top 24%)3945(Top 239%)
Finish26.22 mi1.02 mi7432+836264+856264+856446(Top 23%)5004(Top 31%)5004(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9148

Males

7628

M55-59

7628

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10253

Males

8281

M55-59

8281

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9148

Males

7628

M55-59

7628

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8630

Males

7236

M55-59

7236

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8291

Males

7060

M55-59

7060

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7808

Males

6637

M55-59

6637

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6454

Males

5618

M55-59

5618

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6122

Males

5278

M55-59

5278

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6170

Males

5171

M55-59

5171

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6132

Males

5154

M55-59

5154

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6122

Males

5038

M55-59

5038

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5708

Males

4733

M55-59

4733

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5349

Males

4450

M55-59

4450

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4747

Males

3945

M55-59

3945

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6446

Males

5004

M55-59

5004

Passing Analysis

Category:
Athletes Passed
4125*
Passed By
227
Net Change
+3898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11330
5K → 10K67880+598#11330#10732
10K → 15K5489+539#10732#10193
15K → 20K460*25+435#10193#9758
20K → Half907+83#9758#9675
Half → 25K36610+356#9675#9319
25K → 30K6909+681#9319#8638
30K → 20M2524+248#8638#8390
20M → 21M2127+205#8390#8185
21M → 35K1327+125#8185#8060
35K → 23M22010+210#8060#7850
23M → 24M14818+130#7850#7720
24M → 40K14910+139#7720#7581
40K → 25.2M715+66#7581#7515
25.2M → Finish10926+83#7515#7432
TOTALS4125*227+3898

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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