Boston Marathon logo
BOSTON MARATHON 2025

Xiang Qiao

Bib: 5219•M

AB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:52
Rank: #5585
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:25
Rank: #5054 (+531)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:40
Rank: #4517 (+537)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:21:57
Rank: #4122 (+395)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:26:19
Rank: #4038 (+84)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:41:54
Rank: #3751 (+287)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:02:38
Rank: #3519 (+232)
25K → 30K
20:44 | 6:40/mi
20M
2:11:29
Rank: #3301 (+218)
30K → 20M
8:51 | 6:31/mi
21M
2:18:14
Rank: #3123 (+178)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:22:56
Rank: #3029 (+94)
21M → 35K
4:42 | 6:17/mi
23M
2:30:58
Rank: #2844 (+185)
35K → 23M
8:02 | 6:25/mi
24M
2:37:11
Rank: #2726 (+118)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:42:33
Rank: #2600 (+126)
24M → 40K
5:22 | 6:17/mi
25.2M
2:44:56
Rank: #2565 (+35)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:51:08
Rank: #2469 (+96)
25.2M → Finish
6:12 | 6:05/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:19
Pace6:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:49
Pace6:28 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5920:526:4320:52
6:43
-
10K
6.21 mi10:48:3241:256:4020:33
6:37
-0:06
15K
9.32 mi11:08:471:01:406:3720:15
6:31
-0:06
20K
12.43 mi11:29:041:21:576:3620:17
6:32
+0:01
Half
13.11 mi11:33:261:26:196:354:22
6:24
-0:08
25K
15.53 mi11:49:011:41:546:3415:35
6:26
+0:02
30K
18.64 mi12:09:452:02:386:3520:44
6:40
+0:14
20M
20.00 mi12:18:362:11:296:348:51
6:31
-0:09
21M
21.00 mi12:25:212:18:146:356:45
6:45
+0:14
35K
21.75 mi12:30:032:22:566:344:42
6:17
-0:28
23M
23.00 mi12:38:052:30:586:348:02
6:25
+0:08
24M
24.00 mi12:44:182:37:116:336:13
6:13
-0:12
40K
24.85 mi12:49:402:42:336:325:22
6:17
+0:04
25.2M
25.20 mi12:52:032:44:566:332:23
6:55
+0:38
Finish
26.22 mi12:58:152:51:086:326:12
6:05
-0:50

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

6:05 /mi

Average Pace

6:32 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:08

82% of race

Time at Steady Pace

30:00

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:27:5920:526:4320:52
6:43
#5585
10K
6.21 mi10:48:3241:256:4020:33
6:37
#5054
15K
9.32 mi11:08:471:01:406:3720:15
6:31
#4517
20K
12.43 mi11:29:041:21:576:3620:17
6:32
#4122
Half
13.11 mi11:33:261:26:196:354:22
6:24
#4038
25K
15.53 mi11:49:011:41:546:3415:35
6:26
#3751
30K
18.64 mi12:09:452:02:386:3520:44
6:40
#3519
20M
20.00 mi12:18:362:11:296:348:51
6:31
#3301
21M
21.00 mi12:25:212:18:146:356:45
6:45
#3123
35K
21.75 mi12:30:032:22:566:344:42
6:17
#3029
23M
23.00 mi12:38:052:30:586:348:02
6:25
#2844
24M
24.00 mi12:44:182:37:116:336:13
6:13
#2726
40K
24.85 mi12:49:402:42:336:325:22
6:17
#2600
25.2M
25.20 mi12:52:032:44:566:332:23
6:55
#2565
Finish
26.22 mi12:58:152:51:086:326:12
6:05
#2469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5585517051703680(Top 13%)3475(Top 22%)3475(Top 62%)
10K6.21 mi3.10 mi5054+5314710+4604710+4604586(Top 16%)4296(Top 27%)4296(Top 76%)
15K9.32 mi3.11 mi4517+5374243+4674243+4673680(Top 13%)3475(Top 22%)3475(Top 62%)
20K12.43 mi3.11 mi4122+3953877+3663877+3663292(Top 12%)3119(Top 19%)3119(Top 55%)
Half13.11 mi0.68 mi4038+843800+773800+773073(Top 11%)2934(Top 18%)2934(Top 52%)
25K15.53 mi2.42 mi3751+2873540+2603540+2602501(Top 9%)2379(Top 15%)2379(Top 42%)
30K18.64 mi3.11 mi3519+2323326+2143326+2142767(Top 10%)2619(Top 16%)2619(Top 46%)
20M20.00 mi1.36 mi3301+2183124+2023124+2021691(Top 6%)1599(Top 10%)1599(Top 28%)
21M21.00 mi1.00 mi3123+1782956+1682956+1681385(Top 5%)1311(Top 8%)1311(Top 23%)
35K21.75 mi0.75 mi3029+942868+882868+881565(Top 6%)1475(Top 9%)1475(Top 26%)
23M23.00 mi1.25 mi2844+1852696+1722696+1721214(Top 4%)1144(Top 7%)1144(Top 20%)
24M24.00 mi1.00 mi2726+1182584+1122584+1121095(Top 4%)1031(Top 6%)1031(Top 18%)
40K24.85 mi0.85 mi2600+1262467+1172467+117931(Top 3%)873(Top 5%)873(Top 15%)
25.2M25.20 mi0.35 mi2565+352430+372430+371276(Top 4%)1178(Top 7%)1178(Top 21%)
Finish26.22 mi1.02 mi2469+962340+902340+901154(Top 4%)1080(Top 7%)1080(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3680

Males

3475

M18-39

3475

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4586

Males

4296

M18-39

4296

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3680

Males

3475

M18-39

3475

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3292

Males

3119

M18-39

3119

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3073

Males

2934

M18-39

2934

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2501

Males

2379

M18-39

2379

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2767

Males

2619

M18-39

2619

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1691

Males

1599

M18-39

1599

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1385

Males

1311

M18-39

1311

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1565

Males

1475

M18-39

1475

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1214

Males

1144

M18-39

1144

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1095

Males

1031

M18-39

1031

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

931

Males

873

M18-39

873

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1276

Males

1178

M18-39

1178

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1154

Males

1080

M18-39

1080

Passing Analysis

Category:
Athletes Passed
3187
Passed By
71
Net Change
+3116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5585
5K → 10K56231+531#5585#5054
10K → 15K5392+537#5054#4517
15K → 20K3983+395#4517#4122
20K → Half851+84#4122#4038
Half → 25K2903+287#4038#3751
25K → 30K24513+232#3751#3519
30K → 20M2202+218#3519#3301
20M → 21M1802+178#3301#3123
21M → 35K951+94#3123#3029
35K → 23M1883+185#3029#2844
23M → 24M1180+118#2844#2726
24M → 40K1260+126#2726#2600
40K → 25.2M416+35#2600#2565
25.2M → Finish1004+96#2565#2469
TOTALS318771+3116
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing