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BOSTON MARATHON 2023

Christopher Tierney

Bib: 27912•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:37
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:31:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:36:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:54:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:18:16
↑ 181↓ 1480.2%
20M
7:38/mi
2:28:38
↑ 64↓ 500.2%
21M
7:58/mi
2:36:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:42:09
↑ 17↓ 861.7%
23M
7:30/mi
2:51:32
↑ 23↓ 630.6%
24M
7:14/mi
2:58:46
↓ 821.3%
40K· 24.85 mi
7:24/mi
3:05:06
↓ 200.3%
25.2M
7:53/mi
3:07:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:15:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:36
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:38:30
Pace7:31 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:1323:037:2523:03
7:25
-
10K
6.21 mi12:02:5345:437:2122:40
7:18
-0:07
15K
9.32 mi12:25:471:08:377:2222:54
7:22
+0:04
20K
12.43 mi12:48:471:31:377:2223:00
7:24
+0:02
Half
13.11 mi12:53:461:36:367:224:59
7:18
-0:06
25K
15.53 mi13:11:421:54:327:2217:56
7:24
+0:06
30K
18.64 mi13:35:262:18:167:2523:44
7:38
+0:14
20M
20.00 mi13:45:482:28:387:2610:22
7:38
0:00
21M
21.00 mi13:53:462:36:367:277:58
7:58
+0:20
35K
21.75 mi13:59:192:42:097:275:33
7:25
-0:33
23M
23.00 mi14:08:422:51:327:279:23
7:30
+0:05
24M
24.00 mi14:15:562:58:467:277:14
7:14
-0:16
40K
24.85 mi14:22:163:05:067:276:20
7:24
+0:10
25.2M
25.20 mi14:24:593:07:497:272:43
7:53
+0:29
Finish
26.22 mi14:32:163:15:067:277:17
7:09
-0:44

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

7:09 /mi

Average Pace

7:27 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:25

95% of race

Time at Steady Pace

10:41

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi11:40:1323:037:2523:03
7:25
#8961
10K
6.21 mi12:02:5345:437:2122:40
7:18
#8865
15K
9.32 mi12:25:471:08:377:2222:54
7:22
#8920
20K
12.43 mi12:48:471:31:377:2223:00
7:24
#8778
Half
13.11 mi12:53:461:36:367:224:59
7:18
#8772
25K
15.53 mi13:11:421:54:327:2217:56
7:24
#8618
30K
18.64 mi13:35:262:18:167:2523:44
7:38
#8498
20M
20.00 mi13:45:482:28:387:2610:22
7:38
#8410
21M
21.00 mi13:53:462:36:367:277:58
7:58
#8318
35K
21.75 mi13:59:192:42:097:275:33
7:25
#8289
23M
23.00 mi14:08:422:51:327:279:23
7:30
#8133
24M
24.00 mi14:15:562:58:467:277:14
7:14
#8004
40K
24.85 mi14:22:163:05:067:276:20
7:24
#7902
25.2M
25.20 mi14:24:593:07:497:272:43
7:53
#7866
Finish
26.22 mi14:32:163:15:067:277:17
7:09
#7759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8961756875689082(Top 34%)7585(Top 50%)7585(Top 144%)
10K6.21 mi3.10 mi8865+967494+747494+748825(Top 33%)7471(Top 49%)7471(Top 141%)
15K9.32 mi3.11 mi8920-557510-167510-169082(Top 34%)7585(Top 50%)7585(Top 144%)
20K12.43 mi3.11 mi8778+1427423+877423+878523(Top 32%)7207(Top 47%)7207(Top 136%)
Half13.11 mi0.68 mi8772+67415+87415+88576(Top 32%)7240(Top 48%)7240(Top 137%)
25K15.53 mi2.42 mi8618+1547304+1117304+1117981(Top 30%)6792(Top 45%)6792(Top 129%)
30K18.64 mi3.11 mi8498+1207188+1167188+1168220(Top 31%)6816(Top 45%)6816(Top 129%)
20M20.00 mi1.36 mi8410+887112+767112+767667(Top 29%)6383(Top 42%)6383(Top 121%)
21M21.00 mi1.00 mi8318+927033+797033+797129(Top 27%)5945(Top 39%)5945(Top 112%)
35K21.75 mi0.75 mi8289+297010+237010+237898(Top 30%)6433(Top 42%)6433(Top 122%)
23M23.00 mi1.25 mi8133+1566888+1226888+1226387(Top 24%)5437(Top 36%)5437(Top 103%)
24M24.00 mi1.00 mi8004+1296788+1006788+1005948(Top 22%)5078(Top 33%)5078(Top 96%)
40K24.85 mi0.85 mi7902+1026706+826706+826136(Top 23%)5110(Top 34%)5110(Top 97%)
25.2M25.20 mi0.35 mi7866+366679+276679+275820(Top 22%)4840(Top 32%)4840(Top 92%)
Finish26.22 mi1.02 mi7759+1076589+906589+906093(Top 23%)5000(Top 33%)5000(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9082

Males

7585

M18-39

7585

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8825

Males

7471

M18-39

7471

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9082

Males

7585

M18-39

7585

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8523

Males

7207

M18-39

7207

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8576

Males

7240

M18-39

7240

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7981

Males

6792

M18-39

6792

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8220

Males

6816

M18-39

6816

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7667

Males

6383

M18-39

6383

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7129

Males

5945

M18-39

5945

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7898

Males

6433

M18-39

6433

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6387

Males

5437

M18-39

5437

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5948

Males

5078

M18-39

5078

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6136

Males

5110

M18-39

5110

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5820

Males

4840

M18-39

4840

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6093

Males

5000

M18-39

5000

Passing Analysis

Category:
Athletes Passed
1953
Passed By
751
Net Change
+1202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8961
5K → 10K311215+96#8961#8865
10K → 15K121176-55#8865#8920
15K → 20K19553+142#8920#8778
20K → Half2923+6#8778#8772
Half → 25K17824+154#8772#8618
25K → 30K231111+120#8618#8498
30K → 20M12436+88#8498#8410
20M → 21M11927+92#8410#8318
21M → 35K6435+29#8318#8289
35K → 23M1659+156#8289#8133
23M → 24M14011+129#8133#8004
24M → 40K11513+102#8004#7902
40K → 25.2M415+36#7902#7866
25.2M → Finish12013+107#7866#7759
TOTALS1953751+1202
📊

Passing Visuals

Category:
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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