Boston Marathon logo
BOSTON MARATHON 2024

Yuan Gu

Bib: 9872•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 32%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 33%
Division (M50-54)
#0 / 1935
Top 33%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:50
Rank: #9545
Start → 5K
22:50 | 7:21/mi
10K· 6.21 mi
45:51
Rank: #9472 (+73)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:23
Rank: #9693 (-221)
10K → 15K
23:32 | 7:34/mi
20K· 12.43 mi
1:33:21
Rank: #9713 (-20)
15K → 20K
23:58 | 7:43/mi
Half· 13.11 mi
1:38:32
Rank: #9705 (+8)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:57:17
Rank: #9425 (+280)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:21:57
Rank: #8964 (+461)
25K → 30K
24:40 | 7:56/mi
20M
2:32:55
Rank: #8736 (+228)
30K → 20M
10:58 | 8:04/mi
21M
2:41:25
Rank: #8496 (+240)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:47:35
Rank: #8457 (+39)
21M → 35K
6:10 | 8:15/mi
23M
2:58:07
Rank: #8344 (+113)
35K → 23M
10:32 | 8:25/mi
24M
3:06:40
Rank: #8360 (-16)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:13:50
Rank: #8292 (+68)
24M → 40K
7:10 | 8:23/mi
25.2M
3:17:09
Rank: #8278 (+14)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:25:24
Rank: #8271 (+7)
25.2M → Finish
8:15 | 8:06/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
Time1:38:32
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:46:52
Pace8:09 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2622:507:2122:50
7:21
-
10K
6.21 mi11:12:2745:517:2323:01
7:25
+0:04
15K
9.32 mi11:35:591:09:237:2723:32
7:34
+0:09
20K
12.43 mi11:59:571:33:217:3123:58
7:43
+0:09
Half
13.11 mi12:05:081:38:327:315:11
7:36
-0:07
25K
15.53 mi12:23:531:57:177:3318:45
7:44
+0:08
30K
18.64 mi12:48:332:21:577:3724:40
7:56
+0:12
20M
20.00 mi12:59:312:32:557:3910:58
8:04
+0:08
21M
21.00 mi13:08:012:41:257:418:30
8:30
+0:26
35K
21.75 mi13:14:112:47:357:426:10
8:15
-0:15
23M
23.00 mi13:24:432:58:077:4510:32
8:25
+0:10
24M
24.00 mi13:33:163:06:407:478:33
8:33
+0:08
40K
24.85 mi13:40:263:13:507:487:10
8:23
-0:10
25.2M
25.20 mi13:43:453:17:097:493:19
9:37
+1:14
Finish
26.22 mi13:52:003:25:247:508:15
8:06
-1:31

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

7:21 /mi

Average Pace

7:50 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:17

57% of race

Time at Steady Pace

50:03

24% of race

Time at Slower Pace

38:04

19% of race

Average Pace: 7:50 /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 mi10:49:2622:507:2122:50
7:21
#9545
10K
6.21 mi11:12:2745:517:2323:01
7:25
#9472
15K
9.32 mi11:35:591:09:237:2723:32
7:34
#9693
20K
12.43 mi11:59:571:33:217:3123:58
7:43
#9713
Half
13.11 mi12:05:081:38:327:315:11
7:36
#9705
25K
15.53 mi12:23:531:57:177:3318:45
7:44
#9425
30K
18.64 mi12:48:332:21:577:3724:40
7:56
#8964
20M
20.00 mi12:59:312:32:557:3910:58
8:04
#8736
21M
21.00 mi13:08:012:41:257:418:30
8:30
#8496
35K
21.75 mi13:14:112:47:357:426:10
8:15
#8457
23M
23.00 mi13:24:432:58:077:4510:32
8:25
#8344
24M
24.00 mi13:33:163:06:407:478:33
8:33
#8360
40K
24.85 mi13:40:263:13:507:487:10
8:23
#8292
25.2M
25.20 mi13:43:453:17:097:493:19
9:37
#8278
Finish
26.22 mi13:52:003:25:247:508:15
8:06
#8271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi95457708770810222(Top 40%)7905(Top 54%)7905(Top 409%)
10K6.21 mi3.10 mi9472+737640+687640+689482(Top 37%)7594(Top 52%)7594(Top 392%)
15K9.32 mi3.11 mi9693-2217720-807720-8010222(Top 40%)7905(Top 54%)7905(Top 409%)
20K12.43 mi3.11 mi9713-207692+287692+289831(Top 38%)7563(Top 52%)7563(Top 391%)
Half13.11 mi0.68 mi9705+87678+147678+149769(Top 38%)7552(Top 52%)7552(Top 390%)
25K15.53 mi2.42 mi9425+2807485+1937485+1938504(Top 33%)6708(Top 46%)6708(Top 347%)
30K18.64 mi3.11 mi8964+4617148+3377148+3377528(Top 29%)5939(Top 41%)5939(Top 307%)
20M20.00 mi1.36 mi8736+2286961+1876961+1877168(Top 28%)5536(Top 38%)5536(Top 286%)
21M21.00 mi1.00 mi8496+2406771+1906771+1906222(Top 24%)4815(Top 33%)4815(Top 249%)
35K21.75 mi0.75 mi8457+396717+546717+549186(Top 36%)6349(Top 44%)6349(Top 328%)
23M23.00 mi1.25 mi8344+1136586+1316586+1317962(Top 31%)5577(Top 38%)5577(Top 288%)
24M24.00 mi1.00 mi8360-166547+396547+399732(Top 38%)6404(Top 44%)6404(Top 331%)
40K24.85 mi0.85 mi8292+686461+866461+867745(Top 30%)5245(Top 36%)5245(Top 271%)
25.2M25.20 mi0.35 mi8278+146427+346427+349175(Top 36%)5912(Top 41%)5912(Top 306%)
Finish26.22 mi1.02 mi8271+76388+396388+399115(Top 36%)5982(Top 41%)5982(Top 309%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10222

Males

7905

M50-54

7905

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9482

Males

7594

M50-54

7594

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10222

Males

7905

M50-54

7905

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9831

Males

7563

M50-54

7563

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9769

Males

7552

M50-54

7552

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8504

Males

6708

M50-54

6708

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7528

Males

5939

M50-54

5939

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7168

Males

5536

M50-54

5536

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6222

Males

4815

M50-54

4815

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9186

Males

6349

M50-54

6349

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

7962

Males

5577

M50-54

5577

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9732

Males

6404

M50-54

6404

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7745

Males

5245

M50-54

5245

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9175

Males

5912

M50-54

5912

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9115

Males

5982

M50-54

5982

Passing Analysis

Category:
Athletes Passed
2664
Passed By
1390
Net Change
+1274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9545
5K → 10K276203+73#9545#9472
10K → 15K138359-221#9472#9693
15K → 20K213233-20#9693#9713
20K → Half3830+8#9713#9705
Half → 25K34363+280#9705#9425
25K → 30K52867+461#9425#8964
30K → 20M25527+228#8964#8736
20M → 21M25919+240#8736#8496
21M → 35K9455+39#8496#8457
35K → 23M18673+113#8457#8344
23M → 24M87103-16#8344#8360
24M → 40K12052+68#8360#8292
40K → 25.2M4733+14#8292#8278
25.2M → Finish8073+7#8278#8271
TOTALS26641390+1274
📊

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