Boston Marathon logo
BOSTON MARATHON 2023

Matthew Degnan

Bib: 3576•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:47
Rank: #8317
Start → 5K
22:47 | 7:20/mi
10K· 6.21 mi
45:39
Rank: #8769 (-452)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:08:41
Rank: #8964 (-195)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:31:39
Rank: #8801 (+163)
15K → 20K
22:58 | 7:24/mi
Half· 13.11 mi
1:36:35
Rank: #8764 (+37)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:54:12
Rank: #8446 (+318)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:16:47
Rank: #7912 (+534)
25K → 30K
22:35 | 7:16/mi
20M
2:26:25
Rank: #7587 (+325)
30K → 20M
9:38 | 7:05/mi
21M
2:33:38
Rank: #7294 (+293)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:38:40
Rank: #7140 (+154)
21M → 35K
5:02 | 6:44/mi
23M
2:47:16
Rank: #6822 (+318)
35K → 23M
8:36 | 6:52/mi
24M
2:53:56
Rank: #6612 (+210)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:59:40
Rank: #6403 (+209)
24M → 40K
5:44 | 6:42/mi
25.2M
3:02:04
Rank: #6307 (+96)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
3:08:32
Rank: #6058 (+249)
25.2M → Finish
6:28 | 6:21/mi

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 Half
Distance13.11 mi
Time1:36:35
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:57
Pace7:01 /mi
📊Negative Split: 4.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4422:477:2022:47
7:20
-
10K
6.21 mi10:48:3645:397:2122:52
7:22
+0:02
15K
9.32 mi11:11:381:08:417:2223:02
7:25
+0:03
20K
12.43 mi11:34:361:31:397:2222:58
7:24
-0:01
Half
13.11 mi11:39:321:36:357:224:56
7:14
-0:10
25K
15.53 mi11:57:091:54:127:2117:37
7:16
+0:02
30K
18.64 mi12:19:442:16:477:2022:35
7:16
0:00
20M
20.00 mi12:29:222:26:257:199:38
7:05
-0:11
21M
21.00 mi12:36:352:33:387:197:13
7:13
+0:08
35K
21.75 mi12:41:372:38:407:185:02
6:44
-0:29
23M
23.00 mi12:50:132:47:167:168:36
6:52
+0:08
24M
24.00 mi12:56:532:53:567:156:40
6:40
-0:12
40K
24.85 mi13:02:372:59:407:145:44
6:42
+0:02
25.2M
25.20 mi13:05:013:02:047:132:24
6:58
+0:16
Finish
26.22 mi13:11:293:08:327:126:28
6:21
-0:37

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

6:21 /mi

Average Pace

7:12 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:54

19% of race

Time at Steady Pace

2:33:38

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:25:4422:477:2022:47
7:20
#8317
10K
6.21 mi10:48:3645:397:2122:52
7:22
#8769
15K
9.32 mi11:11:381:08:417:2223:02
7:25
#8964
20K
12.43 mi11:34:361:31:397:2222:58
7:24
#8801
Half
13.11 mi11:39:321:36:357:224:56
7:14
#8764
25K
15.53 mi11:57:091:54:127:2117:37
7:16
#8446
30K
18.64 mi12:19:442:16:477:2022:35
7:16
#7912
20M
20.00 mi12:29:222:26:257:199:38
7:05
#7587
21M
21.00 mi12:36:352:33:387:197:13
7:13
#7294
35K
21.75 mi12:41:372:38:407:185:02
6:44
#7140
23M
23.00 mi12:50:132:47:167:168:36
6:52
#6822
24M
24.00 mi12:56:532:53:567:156:40
6:40
#6612
40K
24.85 mi13:02:372:59:407:145:44
6:42
#6403
25.2M
25.20 mi13:05:013:02:047:132:24
6:58
#6307
Finish
26.22 mi13:11:293:08:327:126:28
6:21
#6058
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8317717571759431(Top 35%)7819(Top 52%)7819(Top 148%)
10K6.21 mi3.10 mi8769-4527440-2657440-2659286(Top 35%)7733(Top 51%)7733(Top 146%)
15K9.32 mi3.11 mi8964-1957537-977537-979431(Top 35%)7819(Top 52%)7819(Top 148%)
20K12.43 mi3.11 mi8801+1637435+1027435+1028423(Top 32%)7141(Top 47%)7141(Top 135%)
Half13.11 mi0.68 mi8764+377409+267409+268016(Top 30%)6888(Top 45%)6888(Top 130%)
25K15.53 mi2.42 mi8446+3187197+2127197+2127038(Top 26%)6178(Top 41%)6178(Top 117%)
30K18.64 mi3.11 mi7912+5346819+3786819+3785870(Top 22%)5279(Top 35%)5279(Top 100%)
20M20.00 mi1.36 mi7587+3256589+2306589+2304578(Top 17%)4203(Top 28%)4203(Top 80%)
21M21.00 mi1.00 mi7294+2936388+2016388+2013234(Top 12%)3020(Top 20%)3020(Top 57%)
35K21.75 mi0.75 mi7140+1546283+1056283+1053771(Top 14%)3488(Top 23%)3488(Top 66%)
23M23.00 mi1.25 mi6822+3186034+2496034+2493075(Top 12%)2870(Top 19%)2870(Top 54%)
24M24.00 mi1.00 mi6612+2105861+1735861+1732961(Top 11%)2753(Top 18%)2753(Top 52%)
40K24.85 mi0.85 mi6403+2095700+1615700+1612405(Top 9%)2235(Top 15%)2235(Top 42%)
25.2M25.20 mi0.35 mi6307+965628+725628+721683(Top 6%)1589(Top 10%)1589(Top 30%)
Finish26.22 mi1.02 mi6058+2495426+2025426+2021832(Top 7%)1716(Top 11%)1716(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9431

Males

7819

M18-39

7819

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9286

Males

7733

M18-39

7733

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9431

Males

7819

M18-39

7819

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8423

Males

7141

M18-39

7141

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8016

Males

6888

M18-39

6888

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7038

Males

6178

M18-39

6178

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5870

Males

5279

M18-39

5279

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4578

Males

4203

M18-39

4203

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3234

Males

3020

M18-39

3020

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3771

Males

3488

M18-39

3488

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3075

Males

2870

M18-39

2870

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2961

Males

2753

M18-39

2753

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2405

Males

2235

M18-39

2235

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1683

Males

1589

M18-39

1589

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1832

Males

1716

M18-39

1716

Passing Analysis

Category:
Athletes Passed
3142
Passed By
883
Net Change
+2259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8317
5K → 10K92544-452#8317#8769
10K → 15K82277-195#8769#8964
15K → 20K21148+163#8964#8801
20K → Half436+37#8801#8764
Half → 25K3202+318#8764#8446
25K → 30K5373+534#8446#7912
30K → 20M3250+325#7912#7587
20M → 21M2941+293#7587#7294
21M → 35K1540+154#7294#7140
35K → 23M3191+318#7140#6822
23M → 24M2111+210#6822#6612
24M → 40K2090+209#6612#6403
40K → 25.2M960+96#6403#6307
25.2M → Finish2490+249#6307#6058
TOTALS3142883+2259
📊

Passing Visuals

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