Boston Marathon logo
BOSTON MARATHON 2023

Trever Reed

Bib: 528•M

DC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Age Group (M18-39)
#0 / 5285
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:03
Rank: #400
Start → 5K
18:03 | 5:49/mi
10K· 6.21 mi
36:06
Rank: #414 (-14)
5K → 10K
18:03 | 5:49/mi
15K· 9.32 mi
54:16
Rank: #409 (+5)
10K → 15K
18:10 | 5:51/mi
20K· 12.43 mi
1:12:30
Rank: #399 (+10)
15K → 20K
18:14 | 5:52/mi
Half· 13.11 mi
1:16:26
Rank: #397 (+2)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:30:31
Rank: #376 (+21)
Half → 25K
14:05 | 5:49/mi
30K· 18.64 mi
1:48:58
Rank: #354 (+22)
25K → 30K
18:27 | 5:56/mi
20M
1:57:10
Rank: #349 (+5)
30K → 20M
8:12 | 6:02/mi
21M
2:03:34
Rank: #348 (+1)
20M → 21M
6:24 | 6:24/mi
35K· 21.75 mi
2:07:58
Rank: #346 (+2)
21M → 35K
4:24 | 5:53/mi
23M
2:15:23
Rank: #334 (+12)
35K → 23M
7:25 | 5:55/mi
24M
2:21:05
Rank: #321 (+13)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:26:08
Rank: #305 (+16)
24M → 40K
5:03 | 5:54/mi
25.2M
2:28:20
Rank: #300 (+5)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:34:10
Rank: #284 (+16)
25.2M → Finish
5:50 | 5:43/mi
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
Time1:16:26
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:17:44
Pace5:56 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1018:035:4918:03
5:49
-
10K
6.21 mi10:36:1336:065:4918:03
5:49
0:00
15K
9.32 mi10:54:2354:165:4918:10
5:51
+0:02
20K
12.43 mi11:12:371:12:305:5018:14
5:52
+0:01
Half
13.11 mi11:16:331:16:265:503:56
5:46
-0:06
25K
15.53 mi11:30:381:30:315:5014:05
5:49
+0:03
30K
18.64 mi11:49:051:48:585:5118:27
5:56
+0:07
20M
20.00 mi11:57:171:57:105:518:12
6:02
+0:06
21M
21.00 mi12:03:412:03:345:536:24
6:24
+0:22
35K
21.75 mi12:08:052:07:585:534:24
5:53
-0:31
23M
23.00 mi12:15:302:15:235:537:25
5:55
+0:02
24M
24.00 mi12:21:122:21:055:535:42
5:42
-0:13
40K
24.85 mi12:26:152:26:085:535:03
5:54
+0:12
25.2M
25.20 mi12:28:272:28:205:532:12
6:23
+0:29
Finish
26.22 mi12:34:172:34:105:535:50
5:43
-0:40

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:42 /mi

Average Pace

5:53 /mi

Slowest Pace

6:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:25:34

94% of race

Time at Steady Pace

8:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:53 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:1018:035:4918:03
5:49
#400
10K
6.21 mi10:36:1336:065:4918:03
5:49
#414
15K
9.32 mi10:54:2354:165:4918:10
5:51
#409
20K
12.43 mi11:12:371:12:305:5018:14
5:52
#399
Half
13.11 mi11:16:331:16:265:503:56
5:46
#397
25K
15.53 mi11:30:381:30:315:5014:05
5:49
#376
30K
18.64 mi11:49:051:48:585:5118:27
5:56
#354
20M
20.00 mi11:57:171:57:105:518:12
6:02
#349
21M
21.00 mi12:03:412:03:345:536:24
6:24
#348
35K
21.75 mi12:08:052:07:585:534:24
5:53
#346
23M
23.00 mi12:15:302:15:235:537:25
5:55
#334
24M
24.00 mi12:21:122:21:055:535:42
5:42
#321
40K
24.85 mi12:26:152:26:085:535:03
5:54
#305
25.2M
25.20 mi12:28:272:28:205:532:12
6:23
#300
Finish
26.22 mi12:34:172:34:105:535:50
5:43
#284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi400365365421(Top 2%)387(Top 3%)387(Top 7%)
10K6.21 mi3.10 mi414-14379-14379-14436(Top 2%)401(Top 3%)401(Top 8%)
15K9.32 mi3.11 mi409+5374+5374+5421(Top 2%)387(Top 3%)387(Top 7%)
20K12.43 mi3.11 mi399+10364+10364+10382(Top 1%)349(Top 2%)349(Top 7%)
Half13.11 mi0.68 mi397+2363+1363+1343(Top 1%)314(Top 2%)314(Top 6%)
25K15.53 mi2.42 mi376+21344+19344+19288(Top 1%)260(Top 2%)260(Top 5%)
30K18.64 mi3.11 mi354+22322+22322+22304(Top 1%)279(Top 2%)279(Top 5%)
20M20.00 mi1.36 mi349+5317+5317+5376(Top 1%)346(Top 2%)346(Top 7%)
21M21.00 mi1.00 mi348+1316+1316+1474(Top 2%)440(Top 3%)440(Top 8%)
35K21.75 mi0.75 mi346+2315+1315+1468(Top 2%)433(Top 3%)433(Top 8%)
23M23.00 mi1.25 mi334+12303+12303+12235(Top 0.9%)211(Top 1%)211(Top 4%)
24M24.00 mi1.00 mi321+13290+13290+13171(Top 0.6%)149(Top 1.0%)149(Top 3%)
40K24.85 mi0.85 mi305+16275+15275+15225(Top 0.8%)202(Top 1%)202(Top 4%)
25.2M25.20 mi0.35 mi300+5270+5270+5306(Top 1%)285(Top 2%)285(Top 5%)
Finish26.22 mi1.02 mi284+16256+14256+14264(Top 1.0%)247(Top 2%)247(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

421

Males

387

M18-39

387

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

436

Males

401

M18-39

401

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

421

Males

387

M18-39

387

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

382

Males

349

M18-39

349

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

343

Males

314

M18-39

314

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

288

Males

260

M18-39

260

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

304

Males

279

M18-39

279

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

376

Males

346

M18-39

346

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

474

Males

440

M18-39

440

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

468

Males

433

M18-39

433

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

235

Males

211

M18-39

211

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

171

Males

149

M18-39

149

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

225

Males

202

M18-39

202

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

306

Males

285

M18-39

285

25.2M→Finish

25.2 - 26.2 mi

Top 1.0%
×2stories
+22ft-21ft

Overall

264

Males

247

M18-39

247

Passing Analysis

Category:
Athletes Passed
183
Passed By
67
Net Change
+116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#400
5K → 10K1428-14#400#414
10K → 15K1510+5#414#409
15K → 20K155+10#409#399
20K → Half20+2#399#397
Half → 25K221+21#397#376
25K → 30K264+22#376#354
30K → 20M72+5#354#349
20M → 21M87+1#349#348
21M → 35K53+2#348#346
35K → 23M153+12#346#334
23M → 24M130+13#334#321
24M → 40K171+16#321#305
40K → 25.2M61+5#305#300
25.2M → Finish182+16#300#284
TOTALS18367+116
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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