Boston Marathon logo
BOSTON MARATHON 2023

Tyson Park

Bib: 15854•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M80+)
#0 / 3
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
10:11/mi
31:37
↑ 97↓ 3451.5%
10K· 6.21 mi
10:46/mi
1:05:04
↑ 79↓ 1380.4%
15K· 9.32 mi
10:57/mi
1:39:06
↑ 67↓ 78
20K· 12.43 mi
11:15/mi
2:14:04
↑ 106↓ 860.1%
Half· 13.11 mi
11:27/mi
2:21:53
↑ 19↓ 370.5%
25K· 15.53 mi
11:44/mi
2:50:20
↑ 66↓ 880.2%
30K· 18.64 mi
12:38/mi
3:29:35
↑ 181↓ 1480.2%
20M
12:36/mi
3:46:43
↑ 64↓ 500.2%
21M
13:24/mi
4:00:07
↑ 106↓ 241.6%
35K· 21.75 mi
12:11/mi
4:09:14
↑ 17↓ 861.7%
23M
12:44/mi
4:25:10
↑ 23↓ 630.6%
24M
12:09/mi
4:37:19
↓ 821.3%
40K· 24.85 mi
12:26/mi
4:47:57
↓ 200.3%
25.2M
13:35/mi
4:52:38
↑ 13↓ 160.2%
Finish· 26.22 mi
11:42/mi
5:04:33
↑ 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
Time2:21:53
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:42:40
Pace12:25 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:02:5631:3710:1131:37
10:11
-
10K
6.21 mi11:36:231:05:0410:2833:27
10:46
+0:35
15K
9.32 mi12:10:251:39:0610:3834:02
10:57
+0:11
20K
12.43 mi12:45:232:14:0410:4734:58
11:15
+0:18
Half
13.11 mi12:53:122:21:5310:497:49
11:27
+0:12
25K
15.53 mi13:21:392:50:2010:5828:27
11:44
+0:17
30K
18.64 mi14:00:543:29:3511:1539:15
12:38
+0:54
20M
20.00 mi14:18:023:46:4311:2017:08
12:36
-0:02
21M
21.00 mi14:31:264:00:0711:2613:24
13:24
+0:48
35K
21.75 mi14:40:334:09:1411:289:07
12:11
-1:13
23M
23.00 mi14:56:294:25:1011:3215:56
12:44
+0:33
24M
24.00 mi15:08:384:37:1911:3312:09
12:09
-0:35
40K
24.85 mi15:19:164:47:5711:3510:38
12:26
+0:17
25.2M
25.20 mi15:23:574:52:3811:374:41
13:35
+1:09
Finish
26.22 mi15:35:525:04:3311:3711:55
11:42
-1:53

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

10:11 /mi

Average Pace

11:37 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:53

47% of race

Time at Steady Pace

1:29:24

29% of race

Time at Slower Pace

1:13:16

24% of race

Average Pace: 11:37 /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 mi11:02:5631:3710:1131:37
10:11
#23889
10K
6.21 mi11:36:231:05:0410:2833:27
10:46
#24662
15K
9.32 mi12:10:251:39:0610:3834:02
10:57
#24861
20K
12.43 mi12:45:232:14:0410:4734:58
11:15
#24903
Half
13.11 mi12:53:122:21:5310:497:49
11:27
#24934
25K
15.53 mi13:21:392:50:2010:5828:27
11:44
#24951
30K
18.64 mi14:00:543:29:3511:1539:15
12:38
#25024
20M
20.00 mi14:18:023:46:4311:2017:08
12:36
#25015
21M
21.00 mi14:31:264:00:0711:2613:24
13:24
#25024
35K
21.75 mi14:40:334:09:1411:289:07
12:11
#25024
23M
23.00 mi14:56:294:25:1011:3215:56
12:44
#25024
24M
24.00 mi15:08:384:37:1911:3312:09
12:09
#25036
40K
24.85 mi15:19:164:47:5711:3510:38
12:26
#25022
25.2M
25.20 mi15:23:574:52:3811:374:41
13:35
#25019
Finish
26.22 mi15:35:525:04:3311:3711:55
11:42
#25025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM80+Seg. OverallSeg. MalesSeg. M80+
5K3.11 mi3.11 mi23889140371403725128(Top 94%)14574(Top 96%)14574(Top 485800%)
10K6.21 mi3.10 mi24662-77314395-35814395-35825113(Top 94%)14585(Top 96%)14585(Top 486167%)
15K9.32 mi3.11 mi24861-19914474-7914474-7925128(Top 94%)14574(Top 96%)14574(Top 485800%)
20K12.43 mi3.11 mi24903-4214479-514479-524956(Top 94%)14479(Top 95%)14479(Top 482633%)
Half13.11 mi0.68 mi24934-3114489-1014489-1025447(Top 96%)14666(Top 97%)14666(Top 488867%)
25K15.53 mi2.42 mi24951-1714495-614495-624920(Top 94%)14426(Top 95%)14426(Top 480867%)
30K18.64 mi3.11 mi25024-7314503-814503-825124(Top 94%)14466(Top 95%)14466(Top 482200%)
20M20.00 mi1.36 mi25015+914490+1314490+1324833(Top 93%)14296(Top 94%)14296(Top 476533%)
21M21.00 mi1.00 mi25024-914485+514485+524489(Top 92%)14133(Top 93%)14133(Top 471100%)
35K21.75 mi0.75 mi2502414475+1014475+1024871(Top 93%)14259(Top 94%)14259(Top 475300%)
23M23.00 mi1.25 mi2502414466+914466+924824(Top 93%)14257(Top 94%)14257(Top 475233%)
24M24.00 mi1.00 mi25036-1214471-514471-524704(Top 93%)14152(Top 93%)14152(Top 471733%)
40K24.85 mi0.85 mi25022+1414461+1014461+1024369(Top 92%)13971(Top 92%)13971(Top 465700%)
25.2M25.20 mi0.35 mi25019+314451+1014451+1024601(Top 92%)14094(Top 93%)14094(Top 469800%)
Finish26.22 mi1.02 mi25025-6144511445124935(Top 94%)14288(Top 94%)14288(Top 476267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25128

Males

14574

M80+

14574

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25113

Males

14585

M80+

14585

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25128

Males

14574

M80+

14574

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24956

Males

14479

M80+

14479

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25447

Males

14666

M80+

14666

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

24920

Males

14426

M80+

14426

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25124

Males

14466

M80+

14466

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24833

Males

14296

M80+

14296

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24489

Males

14133

M80+

14133

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24871

Males

14259

M80+

14259

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24824

Males

14257

M80+

14257

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24704

Males

14152

M80+

14152

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24369

Males

13971

M80+

13971

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24601

Males

14094

M80+

14094

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

24935

Males

14288

M80+

14288

Passing Analysis

Category:
Athletes Passed
480
Passed By
1616
Net Change
-1136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23889
5K → 10K21794-773#23889#24662
10K → 15K45244-199#24662#24861
15K → 20K89131-42#24861#24903
20K → Half839-31#24903#24934
Half → 25K6279-17#24934#24951
25K → 30K63136-73#24951#25024
30K → 20M4435+9#25024#25015
20M → 21M3039-9#25015#25024
21M → 35K22220#25024#25024
35K → 23M26260#25024#25024
23M → 24M1527-12#25024#25036
24M → 40K3218+14#25036#25022
40K → 25.2M1411+3#25022#25019
25.2M → Finish915-6#25019#25025
TOTALS4801616-1136
📊

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