Boston Marathon logo
BOSTON MARATHON 2023

Jon Madison

MA

Bib: 13058 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M55-59)
#0 / 1422
Top 19%
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
7:28/mi
23:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:25/mi
46:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:26/mi
1:09:19
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:37/mi
1:32:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:17/mi
1:37:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:37/mi
1:56:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:45/mi
2:20:29
↑ 181↓ 1480.2%
138 ft elev
20M
7:49/mi
2:31:06
↑ 64↓ 500.2%
148 ft elev
21M
8:40/mi
2:39:46
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:36/mi
2:45:27
↑ 17↓ 861.7%
156 ft elev
23M
7:48/mi
2:55:13
↑ 23↓ 630.6%
116 ft elev
24M
7:46/mi
3:02:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:49/mi
3:09:40
↓ 200.3%
20 ft elev
25.2M
8:16/mi
3:12:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:26/mi
3:20:06
↑ 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
1:37:567:28 /mi⚡ faster
2nd Half
1:42:107:48 /mi+4.3%
Positive split — 4.3% slower 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
23:137:283.11 mi23:13
7:28
-
10K
46:147:263.10 mi23:01
7:25
-0:03
15K
1:09:197:263.11 mi23:05
7:26
+0:01
20K
1:32:587:293.11 mi23:39
7:37
+0:11
Half(13.11 mi)
1:37:567:280.68 mi4:58
7:17
-0:20
25K
1:56:257:302.42 mi18:29
7:37
+0:20
30K
2:20:297:323.11 mi24:04
7:45
+0:08
20M
2:31:067:331.36 mi10:37
7:49
+0:04
21M
2:39:467:361.00 mi8:40
8:40
+0:51
35K
2:45:277:360.75 mi5:41
7:36
-1:04
23M
2:55:137:371.25 mi9:46
7:48
+0:12
24M
3:02:597:371.00 mi7:46
7:46
-0:02
40K
3:09:407:380.85 mi6:41
7:49
+0:03
25.2M
3:12:317:380.35 mi2:51
8:16
+0:27
Finish(26.22 mi)
3:20:067:381.02 mi7:35
7:26
-0:50
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:17 /mi

Average Pace

7:38 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:08:35

94% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

8:40

4% of race

Average Pace: 7:38 /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. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi938478017801958879157915
10K3.10 mi9500-1167878-777878-77968379797979
15K3.11 mi9494+67869+97869+9958879157915
20K3.11 mi9652-1587957-887957-881015681548154
Half(13.11 mi)0.68 mi9589+637915+427915+42843671757175
25K2.42 mi9594-57897+187897+18970878217821
30K3.11 mi9450+1447768+1297768+129897072657265
20M1.36 mi9399+517717+517717+51894671607160
21M1.00 mi9492-937750-337750-331142483018301
35K0.75 mi9469+237720+307720+30922171987198
23M1.25 mi9355+1147630+907630+90840966516651
24M1.00 mi9330+257593+377593+37951271607160
40K0.85 mi9296+347539+547539+54877566996699
25.2M0.35 mi9271+257513+267513+26805162116211
Finish(26.22 mi)1.02 mi9212+597456+577456+57807062066206

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9588

Males

7915

M55-59

7915

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9683

Males

7979

M55-59

7979

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9588

Males

7915

M55-59

7915

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10156

Males

8154

M55-59

8154

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8436

Males

7175

M55-59

7175

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9708

Males

7821

M55-59

7821

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8970

Males

7265

M55-59

7265

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

8946

Males

7160

M55-59

7160

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11424

Males

8301

M55-59

8301

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9221

Males

7198

M55-59

7198

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8409

Males

6651

M55-59

6651

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9512

Males

7160

M55-59

7160

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8775

Males

6699

M55-59

6699

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8051

Males

6211

M55-59

6211

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8070

Males

6206

M55-59

6206

Passing Analysis

Category:
Passed
1585*
Passed By
1413
Net Change
+172
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9384
5K → 10K232348-116#9384#9500
10K → 15K167161+6#9500#9494
15K → 20K97255-158#9494#9652
20K → Half696+63#9652#9589
Half → 25K124129-5#9589#9594
25K → 30K239*95+144#9594#9450
30K → 20M10655+51#9450#9399
20M → 21M59152-93#9399#9492
21M → 35K6239+23#9492#9469
35K → 23M13824+114#9469#9355
23M → 24M7550+25#9355#9330
24M → 40K9157+34#9330#9296
40K → 25.2M349+25#9296#9271
25.2M → Finish9233+59#9271#9212
TOTALS1585*1413+172

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

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