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BOSTON MARATHON 2023

Thomas Fraser

Bib: 3348•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:15
Rank: #1117
Start → 5K
19:15 | 6:12/mi
10K· 6.21 mi
38:18
Rank: #1115 (+2)
5K → 10K
19:03 | 6:08/mi
15K· 9.32 mi
57:24
Rank: #1098 (+17)
10K → 15K
19:06 | 6:09/mi
20K· 12.43 mi
1:16:20
Rank: #1014 (+84)
15K → 20K
18:56 | 6:06/mi
Half· 13.11 mi
1:20:21
Rank: #989 (+25)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:34:53
Rank: #893 (+96)
Half → 25K
14:32 | 6:00/mi
30K· 18.64 mi
1:54:03
Rank: #820 (+73)
25K → 30K
19:10 | 6:10/mi
20M
2:02:25
Rank: #795 (+25)
30K → 20M
8:22 | 6:09/mi
21M
2:08:56
Rank: #778 (+17)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:13:26
Rank: #772 (+6)
21M → 35K
4:30 | 6:01/mi
23M
2:21:18
Rank: #763 (+9)
35K → 23M
7:52 | 6:17/mi
24M
2:27:20
Rank: #744 (+19)
23M → 24M
6:02 | 6:02/mi
40K· 24.85 mi
2:32:41
Rank: #729 (+15)
24M → 40K
5:21 | 6:15/mi
25.2M
2:34:57
Rank: #721 (+8)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:40:58
Rank: #699 (+22)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:20:21
Pace6:08 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:20:37
Pace6:09 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2719:156:1219:15
6:12
-
10K
6.21 mi10:39:3038:186:1019:03
6:08
-0:04
15K
9.32 mi10:58:3657:246:1019:06
6:09
+0:01
20K
12.43 mi11:17:321:16:206:0918:56
6:06
-0:03
Half
13.11 mi11:21:331:20:216:084:01
5:53
-0:13
25K
15.53 mi11:36:051:34:536:0614:32
6:00
+0:07
30K
18.64 mi11:55:151:54:036:0719:10
6:10
+0:10
20M
20.00 mi12:03:372:02:256:078:22
6:09
-0:01
21M
21.00 mi12:10:082:08:566:086:31
6:31
+0:22
35K
21.75 mi12:14:382:13:266:084:30
6:01
-0:30
23M
23.00 mi12:22:302:21:186:097:52
6:17
+0:16
24M
24.00 mi12:28:322:27:206:086:02
6:02
-0:15
40K
24.85 mi12:33:532:32:416:095:21
6:15
+0:13
25.2M
25.20 mi12:36:092:34:576:092:16
6:34
+0:19
Finish
26.22 mi12:42:102:40:586:096:01
5:54
-0:40

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

5:53 /mi

Average Pace

6:09 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:11

95% of race

Time at Steady Pace

8:47

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:08 /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 mi10:20:2719:156:1219:15
6:12
#1117
10K
6.21 mi10:39:3038:186:1019:03
6:08
#1115
15K
9.32 mi10:58:3657:246:1019:06
6:09
#1098
20K
12.43 mi11:17:321:16:206:0918:56
6:06
#1014
Half
13.11 mi11:21:331:20:216:084:01
5:53
#989
25K
15.53 mi11:36:051:34:536:0614:32
6:00
#893
30K
18.64 mi11:55:151:54:036:0719:10
6:10
#820
20M
20.00 mi12:03:372:02:256:078:22
6:09
#795
21M
21.00 mi12:10:082:08:566:086:31
6:31
#778
35K
21.75 mi12:14:382:13:266:084:30
6:01
#772
23M
23.00 mi12:22:302:21:186:097:52
6:17
#763
24M
24.00 mi12:28:322:27:206:086:02
6:02
#744
40K
24.85 mi12:33:532:32:416:095:21
6:15
#729
25.2M
25.20 mi12:36:092:34:576:092:16
6:34
#721
Finish
26.22 mi12:42:102:40:586:096:01
5:54
#699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1117105510551086(Top 4%)1033(Top 7%)1033(Top 20%)
10K6.21 mi3.10 mi1115+2105510551115(Top 4%)1057(Top 7%)1057(Top 20%)
15K9.32 mi3.11 mi1098+171041+141041+141086(Top 4%)1033(Top 7%)1033(Top 20%)
20K12.43 mi3.11 mi1014+84962+79962+79769(Top 3%)726(Top 5%)726(Top 14%)
Half13.11 mi0.68 mi989+25939+23939+23537(Top 2%)499(Top 3%)499(Top 9%)
25K15.53 mi2.42 mi893+96845+94845+94537(Top 2%)500(Top 3%)500(Top 9%)
30K18.64 mi3.11 mi820+73777+68777+68625(Top 2%)589(Top 4%)589(Top 11%)
20M20.00 mi1.36 mi795+25753+24753+24587(Top 2%)553(Top 4%)553(Top 10%)
21M21.00 mi1.00 mi778+17735+18735+18678(Top 3%)639(Top 4%)639(Top 12%)
35K21.75 mi0.75 mi772+6729+6729+6712(Top 3%)672(Top 4%)672(Top 13%)
23M23.00 mi1.25 mi763+9720+9720+9786(Top 3%)745(Top 5%)745(Top 14%)
24M24.00 mi1.00 mi744+19701+19701+19612(Top 2%)579(Top 4%)579(Top 11%)
40K24.85 mi0.85 mi729+15687+14687+14768(Top 3%)727(Top 5%)727(Top 14%)
25.2M25.20 mi0.35 mi721+8679+8679+8607(Top 2%)574(Top 4%)574(Top 11%)
Finish26.22 mi1.02 mi699+22657+22657+22534(Top 2%)508(Top 3%)508(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1086

Males

1033

M18-39

1033

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1115

Males

1057

M18-39

1057

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1086

Males

1033

M18-39

1033

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

769

Males

726

M18-39

726

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

537

Males

499

M18-39

499

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

537

Males

500

M18-39

500

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

625

Males

589

M18-39

589

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

587

Males

553

M18-39

553

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

678

Males

639

M18-39

639

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

712

Males

672

M18-39

672

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

786

Males

745

M18-39

745

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

612

Males

579

M18-39

579

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

768

Males

727

M18-39

727

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

607

Males

574

M18-39

574

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

534

Males

508

M18-39

508

Passing Analysis

Category:
Athletes Passed
522
Passed By
104
Net Change
+418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1117
5K → 10K5351+2#1117#1115
10K → 15K3821+17#1115#1098
15K → 20K862+84#1098#1014
20K → Half250+25#1014#989
Half → 25K960+96#989#893
25K → 30K741+73#893#820
30K → 20M294+25#820#795
20M → 21M214+17#795#778
21M → 35K115+6#778#772
35K → 23M167+9#772#763
23M → 24M234+19#763#744
24M → 40K161+15#744#729
40K → 25.2M113+8#729#721
25.2M → Finish231+22#721#699
TOTALS522104+418
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing