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BOSTON MARATHON 2023

Thomas Gibson

Bib: 3893•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:31
Rank: #2871
Start → 5K
20:31 | 6:36/mi
10K· 6.21 mi
41:18
Rank: #3495 (-624)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:01:57
Rank: #3521 (-26)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:22:47
Rank: #3533 (-12)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:27:16
Rank: #3508 (+25)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:27
Rank: #3416 (+92)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:04:08
Rank: #3104 (+312)
25K → 30K
20:41 | 6:39/mi
20M
2:12:57
Rank: #2916 (+188)
30K → 20M
8:49 | 6:29/mi
21M
2:19:39
Rank: #2746 (+170)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:24:18
Rank: #2646 (+100)
21M → 35K
4:39 | 6:13/mi
23M
2:32:28
Rank: #2518 (+128)
35K → 23M
8:10 | 6:31/mi
24M
2:38:50
Rank: #2452 (+66)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:44:22
Rank: #2397 (+55)
24M → 40K
5:32 | 6:28/mi
25.2M
2:46:42
Rank: #2360 (+37)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:52:58
Rank: #2269 (+91)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:27:16
Pace6:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:42
Pace6:32 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5420:316:3620:31
6:36
-
10K
6.21 mi10:42:4141:186:3920:47
6:41
+0:05
15K
9.32 mi11:03:201:01:576:3920:39
6:39
-0:02
20K
12.43 mi11:24:101:22:476:4020:50
6:42
+0:03
Half
13.11 mi11:28:391:27:166:394:29
6:34
-0:08
25K
15.53 mi11:44:501:43:276:4016:11
6:40
+0:06
30K
18.64 mi12:05:312:04:086:4020:41
6:39
-0:01
20M
20.00 mi12:14:202:12:576:398:49
6:29
-0:10
21M
21.00 mi12:21:022:19:396:396:42
6:42
+0:13
35K
21.75 mi12:25:412:24:186:384:39
6:13
-0:29
23M
23.00 mi12:33:512:32:286:388:10
6:31
+0:18
24M
24.00 mi12:40:132:38:506:376:22
6:22
-0:09
40K
24.85 mi12:45:452:44:226:375:32
6:28
+0:06
25.2M
25.20 mi12:48:052:46:426:372:20
6:46
+0:18
Finish
26.22 mi12:54:212:52:586:366:16
6:09
-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

6:09 /mi

Average Pace

6:36 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:38

99% of race

Time at Steady Pace

2:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:21:5420:316:3620:31
6:36
#2871
10K
6.21 mi10:42:4141:186:3920:47
6:41
#3495
15K
9.32 mi11:03:201:01:576:3920:39
6:39
#3521
20K
12.43 mi11:24:101:22:476:4020:50
6:42
#3533
Half
13.11 mi11:28:391:27:166:394:29
6:34
#3508
25K
15.53 mi11:44:501:43:276:4016:11
6:40
#3416
30K
18.64 mi12:05:312:04:086:4020:41
6:39
#3104
20M
20.00 mi12:14:202:12:576:398:49
6:29
#2916
21M
21.00 mi12:21:022:19:396:396:42
6:42
#2746
35K
21.75 mi12:25:412:24:186:384:39
6:13
#2646
23M
23.00 mi12:33:512:32:286:388:10
6:31
#2518
24M
24.00 mi12:40:132:38:506:376:22
6:22
#2452
40K
24.85 mi12:45:452:44:226:375:32
6:28
#2397
25.2M
25.20 mi12:48:052:46:426:372:20
6:46
#2360
Finish
26.22 mi12:54:212:52:586:366:16
6:09
#2269
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2871273127313650(Top 14%)3441(Top 23%)3441(Top 65%)
10K6.21 mi3.10 mi3495-6243300-5693300-5694217(Top 16%)3950(Top 26%)3950(Top 75%)
15K9.32 mi3.11 mi3521-263331-313331-313650(Top 14%)3441(Top 23%)3441(Top 65%)
20K12.43 mi3.11 mi3533-123345-143345-143611(Top 14%)3416(Top 23%)3416(Top 65%)
Half13.11 mi0.68 mi3508+253323+223323+223168(Top 12%)3018(Top 20%)3018(Top 57%)
25K15.53 mi2.42 mi3416+923245+783245+783153(Top 12%)3005(Top 20%)3005(Top 57%)
30K18.64 mi3.11 mi3104+3122955+2902955+2902208(Top 8%)2108(Top 14%)2108(Top 40%)
20M20.00 mi1.36 mi2916+1882787+1682787+1681417(Top 5%)1352(Top 9%)1352(Top 26%)
21M21.00 mi1.00 mi2746+1702624+1632624+1631114(Top 4%)1060(Top 7%)1060(Top 20%)
35K21.75 mi0.75 mi2646+1002529+952529+951315(Top 5%)1252(Top 8%)1252(Top 24%)
23M23.00 mi1.25 mi2518+1282408+1212408+1211526(Top 6%)1451(Top 10%)1451(Top 27%)
24M24.00 mi1.00 mi2452+662345+632345+631579(Top 6%)1495(Top 10%)1495(Top 28%)
40K24.85 mi0.85 mi2397+552292+532292+531451(Top 5%)1370(Top 9%)1370(Top 26%)
25.2M25.20 mi0.35 mi2360+372258+342258+341100(Top 4%)1047(Top 7%)1047(Top 20%)
Finish26.22 mi1.02 mi2269+912173+852173+851139(Top 4%)1085(Top 7%)1085(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3650

Males

3441

M18-39

3441

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4217

Males

3950

M18-39

3950

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3650

Males

3441

M18-39

3441

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3611

Males

3416

M18-39

3416

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3168

Males

3018

M18-39

3018

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3153

Males

3005

M18-39

3005

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2208

Males

2108

M18-39

2108

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1417

Males

1352

M18-39

1352

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1114

Males

1060

M18-39

1060

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1315

Males

1252

M18-39

1252

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1526

Males

1451

M18-39

1451

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1579

Males

1495

M18-39

1495

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1451

Males

1370

M18-39

1370

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1100

Males

1047

M18-39

1047

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1139

Males

1085

M18-39

1085

Passing Analysis

Category:
Athletes Passed
1511
Passed By
909
Net Change
+602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2871
5K → 10K27651-624#2871#3495
10K → 15K98124-26#3495#3521
15K → 20K7789-12#3521#3533
20K → Half261+25#3533#3508
Half → 25K12028+92#3508#3416
25K → 30K3153+312#3416#3104
30K → 20M1880+188#3104#2916
20M → 21M1700+170#2916#2746
21M → 35K1000+100#2746#2646
35K → 23M1346+128#2646#2518
23M → 24M660+66#2518#2452
24M → 40K605+55#2452#2397
40K → 25.2M381+37#2397#2360
25.2M → Finish921+91#2360#2269
TOTALS1511909+602
📊

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