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BOSTON MARATHON 2023

Craig Gillis

Bib: 1237•M

OR

Masters
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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.5%
Age Group (M40-44)
#0 / 2241
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:45
Rank: #744
Start → 5K
18:45 | 6:02/mi
10K· 6.21 mi
37:16
Rank: #720 (+24)
5K → 10K
18:31 | 5:58/mi
15K· 9.32 mi
55:53
Rank: #706 (+14)
10K → 15K
18:37 | 6:00/mi
20K· 12.43 mi
1:14:32
Rank: #662 (+44)
15K → 20K
18:39 | 6:00/mi
Half· 13.11 mi
1:18:36
Rank: #664 (-2)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:00
Rank: #609 (+55)
Half → 25K
14:24 | 5:56/mi
30K· 18.64 mi
1:51:46
Rank: #564 (+45)
25K → 30K
18:46 | 6:02/mi
20M
1:59:59
Rank: #547 (+17)
30K → 20M
8:13 | 6:03/mi
21M
2:06:12
Rank: #515 (+32)
20M → 21M
6:13 | 6:13/mi
35K· 21.75 mi
2:10:32
Rank: #508 (+7)
21M → 35K
4:20 | 5:48/mi
23M
2:18:00
Rank: #484 (+24)
35K → 23M
7:28 | 5:58/mi
24M
2:23:54
Rank: #477 (+7)
23M → 24M
5:54 | 5:54/mi
40K· 24.85 mi
2:29:08
Rank: #470 (+7)
24M → 40K
5:14 | 6:07/mi
25.2M
2:31:26
Rank: #469 (+1)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:37:34
Rank: #463 (+6)
25.2M → Finish
6:08 | 6:01/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time1:18:36
Pace6:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:18:58
Pace6:01 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0218:456:0218:45
6:02
-
10K
6.21 mi10:37:3337:166:0018:31
5:58
-0:04
15K
9.32 mi10:56:1055:536:0018:37
6:00
+0:02
20K
12.43 mi11:14:491:14:326:0018:39
6:00
0:00
Half
13.11 mi11:18:531:18:366:004:04
5:58
-0:02
25K
15.53 mi11:33:171:33:005:5914:24
5:56
-0:02
30K
18.64 mi11:52:031:51:466:0018:46
6:02
+0:06
20M
20.00 mi12:00:161:59:596:008:13
6:03
+0:01
21M
21.00 mi12:06:292:06:126:016:13
6:13
+0:10
35K
21.75 mi12:10:492:10:326:004:20
5:48
-0:25
23M
23.00 mi12:18:172:18:006:007:28
5:58
+0:10
24M
24.00 mi12:24:112:23:546:005:54
5:54
-0:04
40K
24.85 mi12:29:252:29:086:005:14
6:07
+0:13
25.2M
25.20 mi12:31:432:31:266:012:18
6:40
+0:33
Finish
26.22 mi12:37:512:37:346:016:08
6:01
-0:39

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:48 /mi

Average Pace

6:01 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:35:16

99% of race

Time at Steady Pace

2:18

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:0218:456:0218:45
6:02
#744
10K
6.21 mi10:37:3337:166:0018:31
5:58
#720
15K
9.32 mi10:56:1055:536:0018:37
6:00
#706
20K
12.43 mi11:14:491:14:326:0018:39
6:00
#662
Half
13.11 mi11:18:531:18:366:004:04
5:58
#664
25K
15.53 mi11:33:171:33:005:5914:24
5:56
#609
30K
18.64 mi11:52:031:51:466:0018:46
6:02
#564
20M
20.00 mi12:00:161:59:596:008:13
6:03
#547
21M
21.00 mi12:06:292:06:126:016:13
6:13
#515
35K
21.75 mi12:10:492:10:326:004:20
5:48
#508
23M
23.00 mi12:18:172:18:006:007:28
5:58
#484
24M
24.00 mi12:24:112:23:546:005:54
5:54
#477
40K
24.85 mi12:29:252:29:086:005:14
6:07
#470
25.2M
25.20 mi12:31:432:31:266:012:18
6:40
#469
Finish
26.22 mi12:37:512:37:346:016:08
6:01
#463
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi744696696682(Top 3%)639(Top 4%)639(Top 29%)
10K6.21 mi3.10 mi720+24676+20676+20715(Top 3%)671(Top 4%)671(Top 30%)
15K9.32 mi3.11 mi706+14662+14662+14682(Top 3%)639(Top 4%)639(Top 29%)
20K12.43 mi3.11 mi662+44619+43619+43559(Top 2%)519(Top 3%)519(Top 23%)
Half13.11 mi0.68 mi664-2621-2621-2650(Top 2%)610(Top 4%)610(Top 27%)
25K15.53 mi2.42 mi609+55568+53568+53450(Top 2%)416(Top 3%)416(Top 19%)
30K18.64 mi3.11 mi564+45524+44524+44420(Top 2%)389(Top 3%)389(Top 17%)
20M20.00 mi1.36 mi547+17507+17507+17406(Top 2%)374(Top 2%)374(Top 17%)
21M21.00 mi1.00 mi515+32477+30477+30259(Top 1.0%)235(Top 2%)235(Top 10%)
35K21.75 mi0.75 mi508+7470+7470+7359(Top 1%)330(Top 2%)330(Top 15%)
23M23.00 mi1.25 mi484+24447+23447+23277(Top 1%)252(Top 2%)252(Top 11%)
24M24.00 mi1.00 mi477+7441+6441+6383(Top 1%)357(Top 2%)357(Top 16%)
40K24.85 mi0.85 mi470+7434+7434+7506(Top 2%)477(Top 3%)477(Top 21%)
25.2M25.20 mi0.35 mi469+1433+1433+1777(Top 3%)738(Top 5%)738(Top 33%)
Finish26.22 mi1.02 mi463+6428+5428+5752(Top 3%)719(Top 5%)719(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

682

Males

639

M40-44

639

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

715

Males

671

M40-44

671

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

682

Males

639

M40-44

639

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

559

Males

519

M40-44

519

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

650

Males

610

M40-44

610

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

450

Males

416

M40-44

416

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

420

Males

389

M40-44

389

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

406

Males

374

M40-44

374

20M→21M

20.0 - 21.0 mi

Top 1.0%
×8stories
+106ft-24ft

Overall

259

Males

235

M40-44

235

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

359

Males

330

M40-44

330

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

277

Males

252

M40-44

252

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

383

Males

357

M40-44

357

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

506

Males

477

M40-44

477

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

777

Males

738

M40-44

738

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

752

Males

719

M40-44

719

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
353
Passed By
72
Net Change
+281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#744
5K → 10K4925+24#744#720
10K → 15K3117+14#720#706
15K → 20K440+44#706#662
20K → Half35-2#662#664
Half → 25K561+55#664#609
25K → 30K472+45#609#564
30K → 20M203+17#564#547
20M → 21M342+32#547#515
21M → 35K81+7#515#508
35K → 23M251+24#508#484
23M → 24M103+7#484#477
24M → 40K92+7#477#470
40K → 25.2M21+1#470#469
25.2M → Finish159+6#469#463
TOTALS35372+281
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing