Boston Marathon logo
BOSTON MARATHON 2024

Biao Chen

Bib: 14472•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 45%
Masters (Masters Men)
#0 / 9729
Top 34%
Division (M55-59)
#0 / 1529
Top 19%
Race Day Weather
55°/45°F
scattered 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
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:11:07
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:39:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:58:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:23:23
↑ 181↓ 1480.2%
20M
8:15/mi
2:34:35
↑ 64↓ 500.2%
21M
8:46/mi
2:43:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:49:08
↑ 17↓ 861.7%
23M
8:26/mi
2:59:42
↑ 23↓ 630.6%
24M
8:11/mi
3:07:53
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:15:01
↓ 200.3%
25.2M
8:56/mi
3:18:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:26:18
↑ 22↓ 21

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
Time1:39:51
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:46:27
Pace8:07 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0623:427:3823:42
7:38
-
10K
6.21 mi11:18:5747:337:3923:51
7:41
+0:03
15K
9.32 mi11:42:311:11:077:3823:34
7:35
-0:06
20K
12.43 mi12:06:091:34:457:3723:38
7:36
+0:01
Half
13.11 mi12:11:151:39:517:375:06
7:29
-0:07
25K
15.53 mi12:29:551:58:317:3818:40
7:42
+0:13
30K
18.64 mi12:54:472:23:237:4224:52
8:00
+0:18
20M
20.00 mi13:05:592:34:357:4411:12
8:15
+0:15
21M
21.00 mi13:14:452:43:217:478:46
8:46
+0:31
35K
21.75 mi13:20:322:49:087:475:47
7:44
-1:02
23M
23.00 mi13:31:062:59:427:4910:34
8:26
+0:42
24M
24.00 mi13:39:173:07:537:508:11
8:11
-0:15
40K
24.85 mi13:46:253:15:017:517:08
8:21
+0:10
25.2M
25.20 mi13:49:303:18:067:523:05
8:56
+0:35
Finish
26.22 mi13:57:423:26:187:528:12
8:03
-0:53

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

7:29 /mi

Average Pace

7:52 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:33

80% of race

Time at Steady Pace

37:40

18% of race

Time at Slower Pace

3:05

1% of race

Average Pace: 7:52 /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 mi10:55:0623:427:3823:42
7:38
#11747
10K
6.21 mi11:18:5747:337:3923:51
7:41
#11660
15K
9.32 mi11:42:311:11:077:3823:34
7:35
#11197
20K
12.43 mi12:06:091:34:457:3723:38
7:36
#10573
Half
13.11 mi12:11:151:39:517:375:06
7:29
#10461
25K
15.53 mi12:29:551:58:317:3818:40
7:42
#9992
30K
18.64 mi12:54:472:23:237:4224:52
8:00
#9482
20M
20.00 mi13:05:592:34:357:4411:12
8:15
#9295
21M
21.00 mi13:14:452:43:217:478:46
8:46
#9083
35K
21.75 mi13:20:322:49:087:475:47
7:44
#8918
23M
23.00 mi13:31:062:59:427:4910:34
8:26
#8787
24M
24.00 mi13:39:173:07:537:508:11
8:11
#8702
40K
24.85 mi13:46:253:15:017:517:08
8:21
#8599
25.2M
25.20 mi13:49:303:18:067:523:05
8:56
#8527
Finish
26.22 mi13:57:423:26:187:528:12
8:03
#8492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi117478731873110309(Top 40%)7948(Top 55%)7948(Top 520%)
10K6.21 mi3.10 mi11660+878659+728659+7211675(Top 46%)8626(Top 59%)8626(Top 564%)
15K9.32 mi3.11 mi11197+4638427+2328427+23210309(Top 40%)7948(Top 55%)7948(Top 520%)
20K12.43 mi3.11 mi10573+6248112+3158112+3159115(Top 36%)7226(Top 50%)7226(Top 473%)
Half13.11 mi0.68 mi10461+1128040+728040+728878(Top 35%)7095(Top 49%)7095(Top 464%)
25K15.53 mi2.42 mi9992+4697757+2837757+2838252(Top 32%)6565(Top 45%)6565(Top 429%)
30K18.64 mi3.11 mi9482+5107410+3477410+3477887(Top 31%)6144(Top 42%)6144(Top 402%)
20M20.00 mi1.36 mi9295+1877262+1487262+1488056(Top 32%)6029(Top 41%)6029(Top 394%)
21M21.00 mi1.00 mi9083+2127080+1827080+1827468(Top 29%)5527(Top 38%)5527(Top 361%)
35K21.75 mi0.75 mi8918+1656968+1126968+1126225(Top 24%)4821(Top 33%)4821(Top 315%)
23M23.00 mi1.25 mi8787+1316830+1386830+1388122(Top 32%)5663(Top 39%)5663(Top 370%)
24M24.00 mi1.00 mi8702+856740+906740+907637(Top 30%)5308(Top 36%)5308(Top 347%)
40K24.85 mi0.85 mi8599+1036635+1056635+1057549(Top 30%)5138(Top 35%)5138(Top 336%)
25.2M25.20 mi0.35 mi8527+726572+636572+636261(Top 25%)4414(Top 30%)4414(Top 289%)
Finish26.22 mi1.02 mi8492+356510+626510+628801(Top 34%)5817(Top 40%)5817(Top 380%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10309

Males

7948

M55-59

7948

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

11675

Males

8626

M55-59

8626

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10309

Males

7948

M55-59

7948

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9115

Males

7226

M55-59

7226

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

8878

Males

7095

M55-59

7095

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8252

Males

6565

M55-59

6565

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7887

Males

6144

M55-59

6144

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8056

Males

6029

M55-59

6029

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7468

Males

5527

M55-59

5527

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6225

Males

4821

M55-59

4821

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8122

Males

5663

M55-59

5663

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7637

Males

5308

M55-59

5308

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7549

Males

5138

M55-59

5138

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6261

Males

4414

M55-59

4414

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8801

Males

5817

M55-59

5817

Passing Analysis

Category:
Athletes Passed
3920*
Passed By
665
Net Change
+3255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11747
5K → 10K323236+87#11747#11660
10K → 15K50441+463#11660#11197
15K → 20K63713+624#11197#10573
20K → Half1164+112#10573#10461
Half → 25K484*15+469#10461#9992
25K → 30K55646+510#9992#9482
30K → 20M23548+187#9482#9295
20M → 21M24634+212#9295#9083
21M → 35K1738+165#9083#8918
35K → 23M19059+131#8918#8787
23M → 24M13348+85#8787#8702
24M → 40K14037+103#8702#8599
40K → 25.2M8513+72#8599#8527
25.2M → Finish9863+35#8527#8492
TOTALS3920*665+3255

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

📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing