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BOSTON MARATHON 2023

Jason Reilly

Bib: 320•M

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.6%
Division (M40-44)
#0 / 2241
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:48
Rank: #289
Start → 5K
17:48 | 5:44/mi
10K· 6.21 mi
35:32
Rank: #320 (-31)
5K → 10K
17:44 | 5:42/mi
15K· 9.32 mi
53:44
Rank: #354 (-34)
10K → 15K
18:12 | 5:51/mi
20K· 12.43 mi
1:12:39
Rank: #411 (-57)
15K → 20K
18:55 | 6:05/mi
Half· 13.11 mi
1:16:36
Rank: #410 (+1)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:31:25
Rank: #451 (-41)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:51:05
Rank: #506 (-55)
25K → 30K
19:40 | 6:20/mi
20M
1:59:33
Rank: #511 (-5)
30K → 20M
8:28 | 6:14/mi
21M
2:06:22
Rank: #532 (-21)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:10:35
Rank: #513 (+19)
21M → 35K
4:13 | 5:38/mi
23M
2:18:18
Rank: #505 (+8)
35K → 23M
7:43 | 6:10/mi
24M
2:24:28
Rank: #513 (-8)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:29:50
Rank: #516 (-3)
24M → 40K
5:22 | 6:17/mi
25.2M
2:32:11
Rank: #518 (-2)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:38:08
Rank: #499 (+19)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:36
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:21:32
Pace6:13 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5417:485:4417:48
5:44
-
10K
6.21 mi10:35:3835:325:4317:44
5:42
-0:02
15K
9.32 mi10:53:5053:445:4618:12
5:51
+0:09
20K
12.43 mi11:12:451:12:395:5118:55
6:05
+0:14
Half
13.11 mi11:16:421:16:365:513:57
5:47
-0:18
25K
15.53 mi11:31:311:31:255:5314:49
6:07
+0:20
30K
18.64 mi11:51:111:51:055:5819:40
6:20
+0:13
20M
20.00 mi11:59:391:59:335:598:28
6:14
-0:06
21M
21.00 mi12:06:282:06:226:016:49
6:49
+0:35
35K
21.75 mi12:10:412:10:356:004:13
5:38
-1:11
23M
23.00 mi12:18:242:18:186:017:43
6:10
+0:32
24M
24.00 mi12:24:342:24:286:016:10
6:10
0:00
40K
24.85 mi12:29:562:29:506:025:22
6:17
+0:07
25.2M
25.20 mi12:32:172:32:116:022:21
6:49
+0:32
Finish
26.22 mi12:38:142:38:086:025:57
5:50
-0:59

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

5:38 /mi

Average Pace

6:02 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:51

43% of race

Time at Steady Pace

1:01:27

39% of race

Time at Slower Pace

28:50

18% of race

Average Pace: 6:02 /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 mi10:17:5417:485:4417:48
5:44
#289
10K
6.21 mi10:35:3835:325:4317:44
5:42
#320
15K
9.32 mi10:53:5053:445:4618:12
5:51
#354
20K
12.43 mi11:12:451:12:395:5118:55
6:05
#411
Half
13.11 mi11:16:421:16:365:513:57
5:47
#410
25K
15.53 mi11:31:311:31:255:5314:49
6:07
#451
30K
18.64 mi11:51:111:51:055:5819:40
6:20
#506
20M
20.00 mi11:59:391:59:335:598:28
6:14
#511
21M
21.00 mi12:06:282:06:226:016:49
6:49
#532
35K
21.75 mi12:10:412:10:356:004:13
5:38
#513
23M
23.00 mi12:18:242:18:186:017:43
6:10
#505
24M
24.00 mi12:24:342:24:286:016:10
6:10
#513
40K
24.85 mi12:29:562:29:506:025:22
6:17
#516
25.2M
25.20 mi12:32:172:32:116:022:21
6:49
#518
Finish
26.22 mi12:38:142:38:086:025:57
5:50
#499
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi289287287440(Top 2%)406(Top 3%)406(Top 18%)
10K6.21 mi3.10 mi320-31290-3290-3319(Top 1%)285(Top 2%)285(Top 13%)
15K9.32 mi3.11 mi354-34321-31321-31440(Top 2%)406(Top 3%)406(Top 18%)
20K12.43 mi3.11 mi411-57376-55376-55750(Top 3%)707(Top 5%)707(Top 32%)
Half13.11 mi0.68 mi410+1375+1375+1387(Top 1%)358(Top 2%)358(Top 16%)
25K15.53 mi2.42 mi451-41415-40415-40767(Top 3%)726(Top 5%)726(Top 32%)
30K18.64 mi3.11 mi506-55467-52467-52990(Top 4%)941(Top 6%)941(Top 42%)
20M20.00 mi1.36 mi511-5472-5472-5706(Top 3%)667(Top 4%)667(Top 30%)
21M21.00 mi1.00 mi532-21494-22494-221430(Top 5%)1362(Top 9%)1362(Top 61%)
35K21.75 mi0.75 mi513+19475+19475+19172(Top 0.6%)149(Top 1.0%)149(Top 7%)
23M23.00 mi1.25 mi505+8468+7468+7556(Top 2%)525(Top 3%)525(Top 23%)
24M24.00 mi1.00 mi513-8476-8476-8904(Top 3%)855(Top 6%)855(Top 38%)
40K24.85 mi0.85 mi516-3479-3479-3817(Top 3%)773(Top 5%)773(Top 34%)
25.2M25.20 mi0.35 mi518-2481-2481-21144(Top 4%)1083(Top 7%)1083(Top 48%)
Finish26.22 mi1.02 mi499+19464+17464+17425(Top 2%)404(Top 3%)404(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

440

Males

406

M40-44

406

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

319

Males

285

M40-44

285

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

440

Males

406

M40-44

406

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

750

Males

707

M40-44

707

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

387

Males

358

M40-44

358

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

767

Males

726

M40-44

726

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

990

Males

941

M40-44

941

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

706

Males

667

M40-44

667

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1430

Males

1362

M40-44

1362

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7stories
+17ft-86ft

Overall

172

Males

149

M40-44

149

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

556

Males

525

M40-44

525

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

904

Males

855

M40-44

855

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

817

Males

773

M40-44

773

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1144

Males

1083

M40-44

1083

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

425

Males

404

M40-44

404

Passing Analysis

Category:
Athletes Passed
116
Passed By
326
Net Change
-210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#289
5K → 10K1344-31#289#320
10K → 15K337-34#320#354
15K → 20K562-57#354#411
20K → Half21+1#411#410
Half → 25K041-41#410#451
25K → 30K964-55#451#506
30K → 20M611-5#506#511
20M → 21M728-21#511#532
21M → 35K190+19#532#513
35K → 23M135+8#513#505
23M → 24M715-8#505#513
24M → 40K69-3#513#516
40K → 25.2M24-2#516#518
25.2M → Finish245+19#518#499
TOTALS116326-210
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing