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BOSTON MARATHON 2023

Nick St. Cyr

Bib: 25519•M

FL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:27
Rank: #22915
Start → 5K
30:27 | 9:48/mi
10K· 6.21 mi
1:00:08
Rank: #22822 (+93)
5K → 10K
29:41 | 9:33/mi
15K· 9.32 mi
1:29:20
Rank: #22543 (+279)
10K → 15K
29:12 | 9:24/mi
20K· 12.43 mi
1:58:42
Rank: #22263 (+280)
15K → 20K
29:22 | 9:27/mi
Half· 13.11 mi
2:05:08
Rank: #22233 (+30)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:28:12
Rank: #22004 (+229)
Half → 25K
23:04 | 9:31/mi
30K· 18.64 mi
2:58:24
Rank: #21669 (+335)
25K → 30K
30:12 | 9:43/mi
20M
3:11:30
Rank: #21527 (+142)
30K → 20M
13:06 | 9:38/mi
21M
3:21:23
Rank: #21309 (+218)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:28:12
Rank: #21209 (+100)
21M → 35K
6:49 | 9:07/mi
23M
3:40:25
Rank: #21074 (+135)
35K → 23M
12:13 | 9:45/mi
24M
3:49:52
Rank: #20979 (+95)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:58:14
Rank: #20892 (+87)
24M → 40K
8:22 | 9:47/mi
25.2M
4:01:50
Rank: #20859 (+33)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:11:40
Rank: #20839 (+20)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:08
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:06:32
Pace9:39 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2130:279:4830:27
9:48
-
10K
6.21 mi12:16:021:00:089:4129:41
9:33
-0:15
15K
9.32 mi12:45:141:29:209:3529:12
9:24
-0:09
20K
12.43 mi13:14:361:58:429:3329:22
9:27
+0:03
Half
13.11 mi13:21:022:05:089:336:26
9:26
-0:01
25K
15.53 mi13:44:062:28:129:3223:04
9:31
+0:05
30K
18.64 mi14:14:182:58:249:3430:12
9:43
+0:12
20M
20.00 mi14:27:243:11:309:3413:06
9:38
-0:05
21M
21.00 mi14:37:173:21:239:359:53
9:53
+0:15
35K
21.75 mi14:44:063:28:129:346:49
9:07
-0:46
23M
23.00 mi14:56:193:40:259:3512:13
9:45
+0:38
24M
24.00 mi15:05:463:49:529:359:27
9:27
-0:18
40K
24.85 mi15:14:083:58:149:358:22
9:47
+0:20
25.2M
25.20 mi15:17:444:01:509:363:36
10:26
+0:39
Finish
26.22 mi15:27:344:11:409:369:50
9:39
-0:47

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

9:07 /mi

Average Pace

9:36 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:08:04

99% of race

Time at Steady Pace

3:36

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:36 /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 mi11:46:2130:279:4830:27
9:48
#22915
10K
6.21 mi12:16:021:00:089:4129:41
9:33
#22822
15K
9.32 mi12:45:141:29:209:3529:12
9:24
#22543
20K
12.43 mi13:14:361:58:429:3329:22
9:27
#22263
Half
13.11 mi13:21:022:05:089:336:26
9:26
#22233
25K
15.53 mi13:44:062:28:129:3223:04
9:31
#22004
30K
18.64 mi14:14:182:58:249:3430:12
9:43
#21669
20M
20.00 mi14:27:243:11:309:3413:06
9:38
#21527
21M
21.00 mi14:37:173:21:239:359:53
9:53
#21309
35K
21.75 mi14:44:063:28:129:346:49
9:07
#21209
23M
23.00 mi14:56:193:40:259:3512:13
9:45
#21074
24M
24.00 mi15:05:463:49:529:359:27
9:27
#20979
40K
24.85 mi15:14:083:58:149:358:22
9:47
#20892
25.2M
25.20 mi15:17:444:01:509:363:36
10:26
#20859
Finish
26.22 mi15:27:344:11:409:369:50
9:39
#20839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22915135521355221950(Top 82%)13168(Top 87%)13168(Top 588%)
10K6.21 mi3.10 mi22822+9313537+1513537+1522655(Top 85%)13458(Top 89%)13458(Top 601%)
15K9.32 mi3.11 mi22543+27913408+12913408+12921950(Top 82%)13168(Top 87%)13168(Top 588%)
20K12.43 mi3.11 mi22263+28013274+13413274+13421389(Top 80%)12907(Top 85%)12907(Top 576%)
Half13.11 mi0.68 mi22233+3013258+1613258+1621877(Top 82%)13129(Top 87%)13129(Top 586%)
25K15.53 mi2.42 mi22004+22913152+10613152+10620868(Top 78%)12645(Top 83%)12645(Top 564%)
30K18.64 mi3.11 mi21669+33512998+15412998+15420201(Top 76%)12296(Top 81%)12296(Top 549%)
20M20.00 mi1.36 mi21527+14212923+7512923+7519359(Top 73%)11848(Top 78%)11848(Top 529%)
21M21.00 mi1.00 mi21309+21812806+11712806+11717582(Top 66%)11056(Top 73%)11056(Top 493%)
35K21.75 mi0.75 mi21209+10012748+5812748+5818380(Top 69%)11326(Top 75%)11326(Top 505%)
23M23.00 mi1.25 mi21074+13512679+6912679+6919284(Top 72%)11694(Top 77%)11694(Top 522%)
24M24.00 mi1.00 mi20979+9512624+5512624+5519035(Top 72%)11553(Top 76%)11553(Top 516%)
40K24.85 mi0.85 mi20892+8712575+4912575+4919346(Top 73%)11645(Top 77%)11645(Top 520%)
25.2M25.20 mi0.35 mi20859+3312556+1912556+1918889(Top 71%)11424(Top 75%)11424(Top 510%)
Finish26.22 mi1.02 mi20839+2012541+1512541+1520622(Top 77%)12241(Top 81%)12241(Top 546%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21950

Males

13168

M40-44

13168

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22655

Males

13458

M40-44

13458

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21950

Males

13168

M40-44

13168

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21389

Males

12907

M40-44

12907

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21877

Males

13129

M40-44

13129

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20868

Males

12645

M40-44

12645

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20201

Males

12296

M40-44

12296

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19359

Males

11848

M40-44

11848

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17582

Males

11056

M40-44

11056

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18380

Males

11326

M40-44

11326

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19284

Males

11694

M40-44

11694

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19035

Males

11553

M40-44

11553

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19346

Males

11645

M40-44

11645

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18889

Males

11424

M40-44

11424

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20622

Males

12241

M40-44

12241

Passing Analysis

Category:
Athletes Passed
2434
Passed By
358
Net Change
+2076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22915
5K → 10K286193+93#22915#22822
10K → 15K31738+279#22822#22543
15K → 20K30323+280#22543#22263
20K → Half388+30#22263#22233
Half → 25K24314+229#22233#22004
25K → 30K35116+335#22004#21669
30K → 20M1464+142#21669#21527
20M → 21M2213+218#21527#21309
21M → 35K1022+100#21309#21209
35K → 23M1449+135#21209#21074
23M → 24M1016+95#21074#20979
24M → 40K947+87#20979#20892
40K → 25.2M374+33#20892#20859
25.2M → Finish5131+20#20859#20839
TOTALS2434358+2076
📊

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