Boston Marathon logo
BOSTON MARATHON 2023

Austin Che

Bib: 506•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
5:38/mi
17:31
↑ 97↓ 3451.5%
10K· 6.21 mi
5:45/mi
35:24
↑ 79↓ 1380.4%
15K· 9.32 mi
5:51/mi
53:34
↑ 67↓ 78
20K· 12.43 mi
5:57/mi
1:12:03
↑ 106↓ 860.1%
Half· 13.11 mi
5:49/mi
1:16:01
↑ 19↓ 370.5%
25K· 15.53 mi
6:00/mi
1:30:34
↑ 66↓ 880.2%
30K· 18.64 mi
6:07/mi
1:49:35
↑ 181↓ 1480.2%
20M
6:07/mi
1:57:54
↑ 64↓ 500.2%
21M
6:27/mi
2:04:21
↑ 106↓ 241.6%
35K· 21.75 mi
5:46/mi
2:08:40
↑ 17↓ 861.7%
23M
5:59/mi
2:16:09
↑ 23↓ 630.6%
24M
5:52/mi
2:22:01
↓ 821.3%
40K· 24.85 mi
6:04/mi
2:27:12
↓ 200.3%
25.2M
6:31/mi
2:29:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:04/mi
2:35:38
↑ 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
Time1:16:01
Pace5:48 /mi
2nd Half
Distance13.11 mi
Time1:19:37
Pace6:04 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4117:315:3817:31
5:38
-
10K
6.21 mi10:35:3435:245:4217:53
5:45
+0:07
15K
9.32 mi10:53:4453:345:4518:10
5:51
+0:06
20K
12.43 mi11:12:131:12:035:4818:29
5:57
+0:06
Half
13.11 mi11:16:111:16:015:483:58
5:49
-0:08
25K
15.53 mi11:30:441:30:345:5014:33
6:00
+0:11
30K
18.64 mi11:49:451:49:355:5319:01
6:07
+0:07
20M
20.00 mi11:58:041:57:545:548:19
6:07
0:00
21M
21.00 mi12:04:312:04:215:556:27
6:27
+0:20
35K
21.75 mi12:08:502:08:405:554:19
5:46
-0:41
23M
23.00 mi12:16:192:16:095:557:29
5:59
+0:13
24M
24.00 mi12:22:112:22:015:555:52
5:52
-0:07
40K
24.85 mi12:27:222:27:125:555:11
6:04
+0:12
25.2M
25.20 mi12:29:372:29:275:562:15
6:31
+0:27
Finish
26.22 mi12:35:482:35:385:566:11
6:04
-0:27

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

5:38 /mi

Average Pace

5:56 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:56

94% of race

Time at Steady Pace

8:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:56 /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 mi10:17:4117:315:3817:31
5:38
#211
10K
6.21 mi10:35:3435:245:4217:53
5:45
#291
15K
9.32 mi10:53:4453:345:4518:10
5:51
#334
20K
12.43 mi11:12:131:12:035:4818:29
5:57
#359
Half
13.11 mi11:16:111:16:015:483:58
5:49
#362
25K
15.53 mi11:30:441:30:345:5014:33
6:00
#378
30K
18.64 mi11:49:451:49:355:5319:01
6:07
#387
20M
20.00 mi11:58:041:57:545:548:19
6:07
#395
21M
21.00 mi12:04:312:04:215:556:27
6:27
#402
35K
21.75 mi12:08:502:08:405:554:19
5:46
#396
23M
23.00 mi12:16:192:16:095:557:29
5:59
#381
24M
24.00 mi12:22:112:22:015:555:52
5:52
#370
40K
24.85 mi12:27:222:27:125:555:11
6:04
#360
25.2M
25.20 mi12:29:372:29:275:562:15
6:31
#359
Finish
26.22 mi12:35:482:35:385:566:11
6:04
#368
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi211211211424(Top 2%)390(Top 3%)390(Top 7%)
10K6.21 mi3.10 mi291-80263-52263-52383(Top 1%)348(Top 2%)348(Top 7%)
15K9.32 mi3.11 mi334-43301-38301-38424(Top 2%)390(Top 3%)390(Top 7%)
20K12.43 mi3.11 mi359-25326-25326-25493(Top 2%)454(Top 3%)454(Top 9%)
Half13.11 mi0.68 mi362-3329-3329-3406(Top 2%)375(Top 2%)375(Top 7%)
25K15.53 mi2.42 mi378-16346-17346-17539(Top 2%)501(Top 3%)501(Top 9%)
30K18.64 mi3.11 mi387-9355-9355-9534(Top 2%)500(Top 3%)500(Top 9%)
20M20.00 mi1.36 mi395-8363-8363-8506(Top 2%)472(Top 3%)472(Top 9%)
21M21.00 mi1.00 mi402-7370-7370-7559(Top 2%)525(Top 3%)525(Top 10%)
35K21.75 mi0.75 mi396+6364+6364+6314(Top 1%)288(Top 2%)288(Top 5%)
23M23.00 mi1.25 mi381+15348+16348+16287(Top 1%)262(Top 2%)262(Top 5%)
24M24.00 mi1.00 mi370+11338+10338+10337(Top 1%)311(Top 2%)311(Top 6%)
40K24.85 mi0.85 mi360+10328+10328+10418(Top 2%)391(Top 3%)391(Top 7%)
25.2M25.20 mi0.35 mi359+1327+1327+1524(Top 2%)492(Top 3%)492(Top 9%)
Finish26.22 mi1.02 mi368-9336-9336-9884(Top 3%)844(Top 6%)844(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

424

Males

390

M18-39

390

5K→10K

3.1 - 6.2 mi

Top 1%
×5story building
+79ft-138ft

Overall

383

Males

348

M18-39

348

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

424

Males

390

M18-39

390

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

493

Males

454

M18-39

454

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

406

Males

375

M18-39

375

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

539

Males

501

M18-39

501

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

534

Males

500

M18-39

500

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

506

Males

472

M18-39

472

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

559

Males

525

M18-39

525

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

314

Males

288

M18-39

288

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

287

Males

262

M18-39

262

23M→24M

23.0 - 24.0 mi

Top 1%
×6story building
+12ft-82ft

Overall

337

Males

311

M18-39

311

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

418

Males

391

M18-39

391

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

524

Males

492

M18-39

492

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

884

Males

844

M18-39

844

Passing Analysis

Category:
Athletes Passed
95
Passed By
252
Net Change
-157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#211
5K → 10K282-80#211#291
10K → 15K144-43#291#334
15K → 20K429-25#334#359
20K → Half14-3#359#362
Half → 25K1026-16#362#378
25K → 30K1120-9#378#387
30K → 20M412-8#387#395
20M → 21M512-7#395#402
21M → 35K71+6#402#396
35K → 23M183+15#396#381
23M → 24M110+11#381#370
24M → 40K111+10#370#360
40K → 25.2M32+1#360#359
25.2M → Finish716-9#359#368
TOTALS95252-157
📊

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