Boston Marathon logo
BOSTON MARATHON 2023

Rune Madsen

Bib: 27814•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
55:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:15/mi
1:24:26
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:53:01
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
1:59:21
↑ 19↓ 370.5%
25K· 15.53 mi
10:23/mi
2:24:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:54:47
↑ 181↓ 1480.2%
20M
9:55/mi
3:08:16
↑ 64↓ 500.2%
21M
10:12/mi
3:18:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:25:34
↑ 17↓ 861.7%
23M
10:04/mi
3:38:10
↑ 23↓ 630.6%
24M
9:24/mi
3:47:34
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:55:54
↓ 200.3%
25.2M
10:18/mi
3:59:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:00/mi
4:08:37
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:21
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:09:16
Pace9:52 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2627:468:5627:46
8:56
-
10K
6.21 mi12:13:2255:428:5827:56
8:59
+0:03
15K
9.32 mi12:42:061:24:269:0428:44
9:15
+0:16
20K
12.43 mi13:10:411:53:019:0628:35
9:12
-0:03
Half
13.11 mi13:17:011:59:219:066:20
9:17
+0:05
25K
15.53 mi13:42:112:24:319:1825:10
10:23
+1:06
30K
18.64 mi14:12:272:54:479:2330:16
9:45
-0:38
20M
20.00 mi14:25:563:08:169:2513:29
9:55
+0:10
21M
21.00 mi14:36:083:18:289:2710:12
10:12
+0:17
35K
21.75 mi14:43:143:25:349:277:06
9:29
-0:43
23M
23.00 mi14:55:503:38:109:2912:36
10:04
+0:35
24M
24.00 mi15:05:143:47:349:299:24
9:24
-0:40
40K
24.85 mi15:13:343:55:549:298:20
9:45
+0:21
25.2M
25.20 mi15:17:073:59:279:303:33
10:18
+0:33
Finish
26.22 mi15:26:174:08:379:299:10
9:00
-1:18

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

8:56 /mi

Average Pace

9:29 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:37

74% of race

Time at Steady Pace

1:05:00

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:29 /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 mi11:45:2627:468:5627:46
8:56
#20149
10K
6.21 mi12:13:2255:428:5827:56
8:59
#20484
15K
9.32 mi12:42:061:24:269:0428:44
9:15
#20830
20K
12.43 mi13:10:411:53:019:0628:35
9:12
#20748
Half
13.11 mi13:17:011:59:219:066:20
9:17
#20796
25K
15.53 mi13:42:112:24:319:1825:10
10:23
#21293
30K
18.64 mi14:12:272:54:479:2330:16
9:45
#21096
20M
20.00 mi14:25:563:08:169:2513:29
9:55
#21011
21M
21.00 mi14:36:083:18:289:2710:12
10:12
#20858
35K
21.75 mi14:43:143:25:349:277:06
9:29
#20804
23M
23.00 mi14:55:503:38:109:2912:36
10:04
#20759
24M
24.00 mi15:05:143:47:349:299:24
9:24
#20672
40K
24.85 mi15:13:343:55:549:298:20
9:45
#20609
25.2M
25.20 mi15:17:073:59:279:303:33
10:18
#20572
Finish
26.22 mi15:26:174:08:379:299:10
9:00
#20474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20149122201222021464(Top 81%)12962(Top 85%)12962(Top 578%)
10K6.21 mi3.10 mi20484-33512440-22012440-22020835(Top 78%)12641(Top 83%)12641(Top 564%)
15K9.32 mi3.11 mi20830-34612617-17712617-17721464(Top 81%)12962(Top 85%)12962(Top 578%)
20K12.43 mi3.11 mi20748+8212595+2212595+2220563(Top 77%)12552(Top 83%)12552(Top 560%)
Half13.11 mi0.68 mi20796-4812618-2312618-2321412(Top 80%)12916(Top 85%)12916(Top 576%)
25K15.53 mi2.42 mi21293-49712842-22412842-22422963(Top 86%)13574(Top 89%)13574(Top 606%)
30K18.64 mi3.11 mi21096+19712736+10612736+10620261(Top 76%)12323(Top 81%)12323(Top 550%)
20M20.00 mi1.36 mi21011+8512690+4612690+4620233(Top 76%)12214(Top 80%)12214(Top 545%)
21M21.00 mi1.00 mi20858+15312607+8312607+8318702(Top 70%)11521(Top 76%)11521(Top 514%)
35K21.75 mi0.75 mi20804+5412573+3412573+3419815(Top 74%)11975(Top 79%)11975(Top 534%)
23M23.00 mi1.25 mi20759+4512538+3512538+3520162(Top 76%)12089(Top 80%)12089(Top 539%)
24M24.00 mi1.00 mi20672+8712490+4812490+4818850(Top 71%)11474(Top 76%)11474(Top 512%)
40K24.85 mi0.85 mi20609+6312451+3912451+3919178(Top 72%)11575(Top 76%)11575(Top 517%)
25.2M25.20 mi0.35 mi20572+3712431+2012431+2018439(Top 69%)11231(Top 74%)11231(Top 501%)
Finish26.22 mi1.02 mi20474+9812382+4912382+4917952(Top 67%)11048(Top 73%)11048(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21464

Males

12962

M40-44

12962

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20835

Males

12641

M40-44

12641

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21464

Males

12962

M40-44

12962

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20563

Males

12552

M40-44

12552

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21412

Males

12916

M40-44

12916

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22963

Males

13574

M40-44

13574

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20261

Males

12323

M40-44

12323

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20233

Males

12214

M40-44

12214

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18702

Males

11521

M40-44

11521

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19815

Males

11975

M40-44

11975

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20162

Males

12089

M40-44

12089

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18850

Males

11474

M40-44

11474

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19178

Males

11575

M40-44

11575

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18439

Males

11231

M40-44

11231

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17952

Males

11048

M40-44

11048

Passing Analysis

Category:
Athletes Passed
1466
Passed By
1791
Net Change
-325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20149
5K → 10K157492-335#20149#20484
10K → 15K73419-346#20484#20830
15K → 20K205123+82#20830#20748
20K → Half1462-48#20748#20796
Half → 25K22519-497#20796#21293
25K → 30K24447+197#21293#21096
30K → 20M11631+85#21096#21011
20M → 21M1607+153#21011#20858
21M → 35K6410+54#20858#20804
35K → 23M9045+45#20804#20759
23M → 24M947+87#20759#20672
24M → 40K7815+63#20672#20609
40K → 25.2M414+37#20609#20572
25.2M → Finish10810+98#20572#20474
TOTALS14661791-325
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing