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BOSTON MARATHON 2025

Dong Qiu

Bib: 17909•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M55-59)
#0 / 1648
Top 16%
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
7:17/mi
22:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
45:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:02
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:37:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:56:05
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:20:20
↑ 181↓ 1480.2%
20M
7:38/mi
2:30:43
↑ 64↓ 500.2%
21M
8:05/mi
2:38:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:44:11
↑ 17↓ 861.7%
23M
7:21/mi
2:53:23
↑ 23↓ 630.6%
24M
7:15/mi
3:00:38
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:07:03
↓ 200.3%
25.2M
8:22/mi
3:09:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:17:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:4822:397:1722:39
7:17
-
10K
6.21 mi11:36:0045:517:2323:12
7:28
+0:11
15K
9.32 mi11:59:111:09:027:2423:11
7:28
0:00
20K
12.43 mi12:22:421:32:337:2723:31
7:34
+0:06
Half
13.11 mi12:27:541:37:457:275:12
7:37
+0:03
25K
15.53 mi12:46:141:56:057:2818:20
7:34
-0:03
30K
18.64 mi13:10:292:20:207:3224:15
7:48
+0:14
20M
20.00 mi13:20:522:30:437:3210:23
7:38
-0:10
21M
21.00 mi13:28:572:38:487:348:05
8:05
+0:27
35K
21.75 mi13:34:202:44:117:335:23
7:12
-0:53
23M
23.00 mi13:43:322:53:237:329:12
7:21
+0:09
24M
24.00 mi13:50:473:00:387:327:15
7:15
-0:06
40K
24.85 mi13:57:123:07:037:326:25
7:30
+0:15
25.2M
25.20 mi14:00:053:09:567:322:53
8:22
+0:52
Finish
26.22 mi14:07:363:17:277:327:31
7:23
-0:59

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

7:12 /mi

Average Pace

7:32 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:29

94% of race

Time at Steady Pace

10:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi11:12:4822:397:1722:39
7:17
#10248
10K
6.21 mi11:36:0045:517:2323:12
7:28
#11030
15K
9.32 mi11:59:111:09:027:2423:11
7:28
#11122
20K
12.43 mi12:22:421:32:337:2723:31
7:34
#11190
Half
13.11 mi12:27:541:37:457:275:12
7:37
#11276
25K
15.53 mi12:46:141:56:057:2818:20
7:34
#11107
30K
18.64 mi13:10:292:20:207:3224:15
7:48
#10842
20M
20.00 mi13:20:522:30:437:3210:23
7:38
#10565
21M
21.00 mi13:28:572:38:487:348:05
8:05
#10344
35K
21.75 mi13:34:202:44:117:335:23
7:12
#10173
23M
23.00 mi13:43:322:53:237:329:12
7:21
#9826
24M
24.00 mi13:50:473:00:387:327:15
7:15
#9604
40K
24.85 mi13:57:123:07:037:326:25
7:30
#9458
25.2M
25.20 mi14:00:053:09:567:322:53
8:22
#9409
Finish
26.22 mi14:07:363:17:277:327:31
7:23
#9346
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi102488295829511413(Top 40%)8789(Top 55%)8789(Top 533%)
10K6.21 mi3.10 mi11030-7828685-3908685-39011762(Top 41%)9027(Top 56%)9027(Top 548%)
15K9.32 mi3.11 mi11122-928711-268711-2611413(Top 40%)8789(Top 55%)8789(Top 533%)
20K12.43 mi3.11 mi11190-688711871111316(Top 40%)8642(Top 54%)8642(Top 524%)
Half13.11 mi0.68 mi11276-868756-458756-4512662(Top 45%)9285(Top 58%)9285(Top 563%)
25K15.53 mi2.42 mi11107+1698634+1228634+12210429(Top 37%)8103(Top 50%)8103(Top 492%)
30K18.64 mi3.11 mi10842+2658430+2048430+2049969(Top 35%)7670(Top 48%)7670(Top 465%)
20M20.00 mi1.36 mi10565+2778249+1818249+1817979(Top 28%)6433(Top 40%)6433(Top 390%)
21M21.00 mi1.00 mi10344+2218099+1508099+1507846(Top 28%)6175(Top 38%)6175(Top 375%)
35K21.75 mi0.75 mi10173+1717997+1027997+1026587(Top 23%)5453(Top 34%)5453(Top 331%)
23M23.00 mi1.25 mi9826+3477779+2187779+2185744(Top 20%)4831(Top 30%)4831(Top 293%)
24M24.00 mi1.00 mi9604+2227629+1507629+1506128(Top 22%)5005(Top 31%)5005(Top 304%)
40K24.85 mi0.85 mi9458+1467523+1067523+1066833(Top 24%)5338(Top 33%)5338(Top 324%)
25.2M25.20 mi0.35 mi9409+497475+487475+487944(Top 28%)5885(Top 37%)5885(Top 357%)
Finish26.22 mi1.02 mi9346+637404+717404+718316(Top 29%)6092(Top 38%)6092(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11413

Males

8789

M55-59

8789

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11762

Males

9027

M55-59

9027

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11413

Males

8789

M55-59

8789

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11316

Males

8642

M55-59

8642

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12662

Males

9285

M55-59

9285

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10429

Males

8103

M55-59

8103

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9969

Males

7670

M55-59

7670

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7979

Males

6433

M55-59

6433

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7846

Males

6175

M55-59

6175

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6587

Males

5453

M55-59

5453

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5744

Males

4831

M55-59

4831

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6128

Males

5005

M55-59

5005

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6833

Males

5338

M55-59

5338

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7944

Males

5885

M55-59

5885

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8316

Males

6092

M55-59

6092

Passing Analysis

Category:
Athletes Passed
2586*
Passed By
1684
Net Change
+902
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10248
5K → 10K59841-782#10248#11030
10K → 15K147239-92#11030#11122
15K → 20K157225-68#11122#11190
20K → Half14100-86#11190#11276
Half → 25K24273+169#11276#11107
25K → 30K369104+265#11107#10842
30K → 20M2847+277#10842#10565
20M → 21M24019+221#10565#10344
21M → 35K1743+171#10344#10173
35K → 23M349*2+347#10173#9826
23M → 24M2275+222#9826#9604
24M → 40K1559+146#9604#9458
40K → 25.2M6516+49#9458#9409
25.2M → Finish10441+63#9409#9346
TOTALS2586*1684+902

* 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