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BOSTON MARATHON 2023

Malachy Friel

NY

Bib: 27906 M

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:16/mi
31:53
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:12/mi
1:03:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:32/mi
1:36:18
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:29/mi
2:08:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:17/mi
2:16:33
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:13/mi
2:41:19
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:35/mi
3:14:13
↑ 181↓ 1480.2%
138 ft elev
20M
9:55/mi
3:27:42
↑ 64↓ 500.2%
148 ft elev
21M
10:19/mi
3:38:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:57/mi
3:45:28
↑ 17↓ 861.7%
156 ft elev
23M
10:06/mi
3:58:07
↑ 23↓ 630.6%
116 ft elev
24M
9:36/mi
4:07:43
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:41/mi
4:16:00
↓ 200.3%
20 ft elev
25.2M
10:12/mi
4:19:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:12/mi
4:28:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:16:3310:25 /mi+3.1%
2nd Half
2:12:2110:06 /mi✓ faster
Negative split — 3.1% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4731:5310:1631:53
10:16
-
10K
6.21 mi12:27:271:03:3310:1431:40
10:12
-0:04
15K
9.32 mi13:00:121:36:1810:2032:45
10:32
+0:20
20K
12.43 mi13:32:452:08:5110:2232:33
10:29
-0:03
Half
13.11 mi13:40:272:16:3310:257:42
11:17
+0:48
25K
15.53 mi14:05:132:41:1910:2324:46
10:13
-1:04
30K
18.64 mi14:38:073:14:1310:2532:54
10:35
+0:22
20M
20.00 mi14:51:363:27:4210:2313:29
9:55
-0:40
21M
21.00 mi15:01:553:38:0110:2310:19
10:19
+0:24
35K
21.75 mi15:09:223:45:2810:227:27
9:57
-0:22
23M
23.00 mi15:22:013:58:0710:2112:39
10:06
+0:09
24M
24.00 mi15:31:374:07:4310:199:36
9:36
-0:30
40K
24.85 mi15:39:544:16:0010:188:17
9:41
+0:05
25.2M
25.20 mi15:43:254:19:3110:183:31
10:12
+0:31
Finish
26.22 mi15:52:484:28:5410:169:23
9:12
-1:00

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

9:12 /mi

Average Pace

10:16 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

48:12

18% of race

Time at Steady Pace

1:54:48

43% of race

Time at Slower Pace

1:45:54

39% of race

Average Pace: 10:15 /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 mi11:55:4731:5310:1631:53
10:16
#24118
10K
6.21 mi12:27:271:03:3310:1431:40
10:12
#24122
15K
9.32 mi13:00:121:36:1810:2032:45
10:32
#24292
20K
12.43 mi13:32:452:08:5110:2232:33
10:29
#24146
Half
13.11 mi13:40:272:16:3310:257:42
11:17
#24238
25K
15.53 mi14:05:132:41:1910:2324:46
10:13
#23935
30K
18.64 mi14:38:073:14:1310:2532:54
10:35
#23644
20M
20.00 mi14:51:363:27:4210:2313:29
9:55
#23451
21M
21.00 mi15:01:553:38:0110:2310:19
10:19
#23260
35K
21.75 mi15:09:223:45:2810:227:27
9:57
#23182
23M
23.00 mi15:22:013:58:0710:2112:39
10:06
#23031
24M
24.00 mi15:31:374:07:4310:199:36
9:36
#22893
40K
24.85 mi15:39:544:16:0010:188:17
9:41
#22787
25.2M
25.20 mi15:43:254:19:3110:183:31
10:12
#22730
Finish
26.22 mi15:52:484:28:5410:169:23
9:12
#22646
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi241181415014150245331431114311
10K6.21 mi3.10 mi24122-414142+814142+8241101413814138
15K9.32 mi3.11 mi24292-17014218-7614218-76245331431114311
20K12.43 mi3.11 mi24146+14614149+6914149+69237951397613976
Half13.11 mi0.68 mi24238-9214189-4014189-40252771459114591
25K15.53 mi2.42 mi23935+30314050+13914050+139226451343213432
30K18.64 mi3.11 mi23644+29113900+15013900+150223821324413244
20M20.00 mi1.36 mi23451+19313794+10613794+106202511223212232
21M21.00 mi1.00 mi23260+19113701+9313701+93190691167311673
35K21.75 mi0.75 mi23182+7813651+5013651+50211521256212562
23M23.00 mi1.25 mi23031+15113567+8413567+84202881214712147
24M24.00 mi1.00 mi22893+13813493+7413493+74195681180611806
40K24.85 mi0.85 mi22787+10613438+5513438+55189811148111481
25.2M25.20 mi0.35 mi22730+5713408+3013408+30181131109611096
Finish26.22 mi1.02 mi22646+8413361+4713361+47189521152011520

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24533

Males

14311

M18-39

14311

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24110

Males

14138

M18-39

14138

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24533

Males

14311

M18-39

14311

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23795

Males

13976

M18-39

13976

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25277

Males

14591

M18-39

14591

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22645

Males

13432

M18-39

13432

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22382

Males

13244

M18-39

13244

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20251

Males

12232

M18-39

12232

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19069

Males

11673

M18-39

11673

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21152

Males

12562

M18-39

12562

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20288

Males

12147

M18-39

12147

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19568

Males

11806

M18-39

11806

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18981

Males

11481

M18-39

11481

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18113

Males

11096

M18-39

11096

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18952

Males

11520

M18-39

11520

Passing Analysis

Category:
Athletes Passed
2079
Passed By
607
Net Change
+1472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24118
5K → 10K204208-4#24118#24122
10K → 15K62232-170#24122#24292
15K → 20K18337+146#24292#24146
20K → Half799-92#24146#24238
Half → 25K3052+303#24238#23935
25K → 30K3009+291#23935#23644
30K → 20M1941+193#23644#23451
20M → 21M1910+191#23451#23260
21M → 35K813+78#23260#23182
35K → 23M1521+151#23182#23031
23M → 24M1391+138#23031#22893
24M → 40K1126+106#22893#22787
40K → 25.2M581+57#22787#22730
25.2M → Finish917+84#22730#22646
TOTALS2079607+1472

Passing Charts

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