Boston Marathon logo
BOSTON MARATHON 2023

John Barry

MA

Bib: 25041 M

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:31/mi
26:28
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:10/mi
51:49
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:14/mi
1:17:23
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:19/mi
1:43:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:01/mi
1:48:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
2:07:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:13/mi
2:33:14
↑ 181↓ 1480.2%
138 ft elev
20M
8:11/mi
2:44:21
↑ 64↓ 500.2%
148 ft elev
21M
8:31/mi
2:52:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:35/mi
2:59:17
↑ 17↓ 861.7%
156 ft elev
23M
8:31/mi
3:09:57
↑ 23↓ 630.6%
116 ft elev
24M
8:18/mi
3:18:15
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:12/mi
3:25:16
↓ 200.3%
20 ft elev
25.2M
8:39/mi
3:28:15
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:23/mi
3:35:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:48:428:17 /mi+1.5%
2nd Half
1:47:048:10 /mi✓ faster
Negative split — 1.5% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:288:313.11 mi26:28
8:31
-
10K
51:498:203.10 mi25:21
8:10
-0:21
15K
1:17:238:183.11 mi25:34
8:14
+0:04
20K
1:43:148:183.11 mi25:51
8:19
+0:05
Half(13.11 mi)
1:48:428:170.68 mi5:28
8:01
-0:18
25K
2:07:438:132.42 mi19:01
7:51
-0:10
30K
2:33:148:133.11 mi25:31
8:13
+0:22
20M
2:44:218:131.36 mi11:07
8:11
-0:02
21M
2:52:528:141.00 mi8:31
8:31
+0:20
35K
2:59:178:150.75 mi6:25
8:35
+0:04
23M
3:09:578:161.25 mi10:40
8:31
-0:04
24M
3:18:158:161.00 mi8:18
8:18
-0:13
40K
3:25:168:160.85 mi7:01
8:12
-0:06
25.2M
3:28:158:160.35 mi2:59
8:39
+0:27
Finish(26.22 mi)
3:35:468:141.02 mi7:31
7:23
-1:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:23 /mi

Average Pace

8:14 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

32:00

15% of race

Time at Steady Pace

3:03:46

85% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi176701129211292160471070310703
10K3.10 mi16763+90710989+30310989+303159671068710687
15K3.11 mi16527+23610891+9810891+98160471070310703
20K3.11 mi16329+19810801+9010801+90157141052010520
Half(13.11 mi)0.68 mi16220+10910758+4310758+43144241006310063
25K2.42 mi15496+72410451+30710451+3071145086988698
30K3.11 mi14950+54610218+23310218+2331242589878987
20M1.36 mi14678+27210092+12610092+1261155585188518
21M1.00 mi14423+2559955+1379955+1371057879117911
35K0.75 mi14481-589966-119966-11156841013910139
23M1.25 mi14393+889907+599907+591334690699069
24M1.00 mi14314+799860+479860+471323789718971
40K0.85 mi14201+1139788+729788+721139380278027
25.2M0.35 mi14118+839744+449744+441044875467546
Finish(26.22 mi)1.02 mi13841+2779629+1159629+115763059595959

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16047

Males

10703

M18-39

10703

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15967

Males

10687

M18-39

10687

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16047

Males

10703

M18-39

10703

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15714

Males

10520

M18-39

10520

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14424

Males

10063

M18-39

10063

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11450

Males

8698

M18-39

8698

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12425

Males

8987

M18-39

8987

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11555

Males

8518

M18-39

8518

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10578

Males

7911

M18-39

7911

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15684

Males

10139

M18-39

10139

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13346

Males

9069

M18-39

9069

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13237

Males

8971

M18-39

8971

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11393

Males

8027

M18-39

8027

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10448

Males

7546

M18-39

7546

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7630

Males

5959

M18-39

5959

Passing Analysis

Category:
Passed
4287
Passed By
458
Net Change
+3829
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17670
5K → 10K98881+907#17670#16763
10K → 15K347111+236#16763#16527
15K → 20K27173+198#16527#16329
20K → Half1134+109#16329#16220
Half → 25K7240+724#16220#15496
25K → 30K5559+546#15496#14950
30K → 20M2753+272#14950#14678
20M → 21M2583+255#14678#14423
21M → 35K2785-58#14423#14481
35K → 23M12840+88#14481#14393
23M → 24M11132+79#14393#14314
24M → 40K12916+113#14314#14201
40K → 25.2M841+83#14201#14118
25.2M → Finish2770+277#14118#13841
TOTALS4287458+3829

Passing Charts

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