Boston Marathon logo
BOSTON MARATHON 2025

Xidong Liu

Bib: 13769•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M60-64)
#0 / 1259
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:20
Rank: #9364
Start → 5K
22:20 | 7:11/mi
10K· 6.21 mi
45:02
Rank: #9854 (-490)
5K → 10K
22:42 | 7:18/mi
15K· 9.32 mi
1:08:15
Rank: #10404 (-550)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:31:18
Rank: #10274 (+130)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:36:15
Rank: #10229 (+45)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:04
Rank: #9932 (+297)
Half → 25K
17:49 | 7:21/mi
30K· 18.64 mi
2:17:44
Rank: #9611 (+321)
25K → 30K
23:40 | 7:37/mi
20M
2:28:24
Rank: #9548 (+63)
30K → 20M
10:40 | 7:51/mi
21M
2:37:01
Rank: #9608 (-60)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:42:52
Rank: #9639 (-31)
21M → 35K
5:51 | 7:49/mi
23M
2:52:53
Rank: #9641 (-2)
35K → 23M
10:01 | 8:00/mi
24M
3:00:40
Rank: #9615 (+26)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:07:30
Rank: #9606 (+9)
24M → 40K
6:50 | 8:00/mi
25.2M
3:10:30
Rank: #9598 (+8)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:18:20
Rank: #9622 (-24)
25.2M → Finish
7:50 | 7:41/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 HalfFaster
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:42:05
Pace7:47 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4822:207:1122:20
7:11
-
10K
6.21 mi11:14:3045:027:1522:42
7:18
+0:07
15K
9.32 mi11:37:431:08:157:1923:13
7:28
+0:10
20K
12.43 mi12:00:461:31:187:2123:03
7:25
-0:03
Half
13.11 mi12:05:431:36:157:214:57
7:15
-0:10
25K
15.53 mi12:23:321:54:047:2117:49
7:21
+0:06
30K
18.64 mi12:47:122:17:447:2323:40
7:37
+0:16
20M
20.00 mi12:57:522:28:247:2510:40
7:51
+0:14
21M
21.00 mi13:06:292:37:017:298:37
8:37
+0:46
35K
21.75 mi13:12:202:42:527:295:51
7:49
-0:48
23M
23.00 mi13:22:212:52:537:3110:01
8:00
+0:11
24M
24.00 mi13:30:083:00:407:327:47
7:47
-0:13
40K
24.85 mi13:36:583:07:307:336:50
8:00
+0:13
25.2M
25.20 mi13:39:583:10:307:343:00
8:42
+0:42
Finish
26.22 mi13:47:483:18:207:347:50
7:41
-1:01

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

7:11 /mi

Average Pace

7:34 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:51

46% of race

Time at Steady Pace

1:19:01

40% of race

Time at Slower Pace

28:28

14% of race

Average Pace: 7:34 /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 mi10:51:4822:207:1122:20
7:11
#9364
10K
6.21 mi11:14:3045:027:1522:42
7:18
#9854
15K
9.32 mi11:37:431:08:157:1923:13
7:28
#10404
20K
12.43 mi12:00:461:31:187:2123:03
7:25
#10274
Half
13.11 mi12:05:431:36:157:214:57
7:15
#10229
25K
15.53 mi12:23:321:54:047:2117:49
7:21
#9932
30K
18.64 mi12:47:122:17:447:2323:40
7:37
#9611
20M
20.00 mi12:57:522:28:247:2510:40
7:51
#9548
21M
21.00 mi13:06:292:37:017:298:37
8:37
#9608
35K
21.75 mi13:12:202:42:527:295:51
7:49
#9639
23M
23.00 mi13:22:212:52:537:3110:01
8:00
#9641
24M
24.00 mi13:30:083:00:407:327:47
7:47
#9615
40K
24.85 mi13:36:583:07:307:336:50
8:00
#9606
25.2M
25.20 mi13:39:583:10:307:343:00
8:42
#9598
Finish
26.22 mi13:47:483:18:207:347:50
7:41
#9622
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi93647806780611516(Top 41%)8837(Top 55%)8837(Top 702%)
10K6.21 mi3.10 mi9854-4908095-2898095-28910388(Top 37%)8350(Top 52%)8350(Top 663%)
15K9.32 mi3.11 mi10404-5508345-2508345-25011516(Top 41%)8837(Top 55%)8837(Top 702%)
20K12.43 mi3.11 mi10274+1308246+998246+9910047(Top 35%)8037(Top 50%)8037(Top 638%)
Half13.11 mi0.68 mi10229+458220+268220+269552(Top 34%)7787(Top 48%)7787(Top 619%)
25K15.53 mi2.42 mi9932+2978034+1868034+1868723(Top 31%)7188(Top 45%)7188(Top 571%)
30K18.64 mi3.11 mi9611+3217800+2347800+2348579(Top 30%)6928(Top 43%)6928(Top 550%)
20M20.00 mi1.36 mi9548+637731+697731+699354(Top 33%)7181(Top 45%)7181(Top 570%)
21M21.00 mi1.00 mi9608-607739-87739-811163(Top 39%)7948(Top 49%)7948(Top 631%)
35K21.75 mi0.75 mi9639-317738+17738+110929(Top 38%)7812(Top 49%)7812(Top 620%)
23M23.00 mi1.25 mi9641-27693+457693+4510001(Top 35%)7230(Top 45%)7230(Top 574%)
24M24.00 mi1.00 mi9615+267635+587635+589666(Top 34%)6998(Top 43%)6998(Top 556%)
40K24.85 mi0.85 mi9606+97599+367599+3610106(Top 36%)7097(Top 44%)7097(Top 564%)
25.2M25.20 mi0.35 mi9598+87574+257574+259940(Top 35%)6916(Top 43%)6916(Top 549%)
Finish26.22 mi1.02 mi9622-247542+327542+3210586(Top 37%)7294(Top 45%)7294(Top 579%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11516

Males

8837

M60-64

8837

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10388

Males

8350

M60-64

8350

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11516

Males

8837

M60-64

8837

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

10047

Males

8037

M60-64

8037

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9552

Males

7787

M60-64

7787

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8723

Males

7188

M60-64

7188

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8579

Males

6928

M60-64

6928

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9354

Males

7181

M60-64

7181

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11163

Males

7948

M60-64

7948

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10929

Males

7812

M60-64

7812

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

10001

Males

7230

M60-64

7230

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9666

Males

6998

M60-64

6998

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10106

Males

7097

M60-64

7097

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9940

Males

6916

M60-64

6916

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10586

Males

7294

M60-64

7294

Passing Analysis

Category:
Athletes Passed
1795*
Passed By
2049
Net Change
-258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9364
5K → 10K85574-490#9364#9854
10K → 15K58606-550#9854#10404
15K → 20K236105+130#10404#10274
20K → Half6015+45#10274#10229
Half → 25K317*20+297#10229#9932
25K → 30K40079+321#9932#9611
30K → 20M12663+63#9611#9548
20M → 21M68128-60#9548#9608
21M → 35K5687-31#9608#9639
35K → 23M110112-2#9639#9641
23M → 24M10276+26#9641#9615
24M → 40K7566+9#9615#9606
40K → 25.2M3729+8#9606#9598
25.2M → Finish6589-24#9598#9622
TOTALS1795*2049-258

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

📊

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