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BOSTON MARATHON 2023

Daniel Harrington

Bib: 3525•M

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0:00
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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
20:24
Rank: #2644
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:14
Rank: #2352 (+292)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
1:00:06
Rank: #2249 (+103)
10K → 15K
19:52 | 6:24/mi
20K· 12.43 mi
1:20:08
Rank: #2186 (+63)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:24:29
Rank: #2185 (+1)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:40:13
Rank: #2143 (+42)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:01:03
Rank: #2199 (-56)
25K → 30K
20:50 | 6:42/mi
20M
2:10:13
Rank: #2199
30K → 20M
9:10 | 6:45/mi
21M
2:17:27
Rank: #2236 (-37)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:22:23
Rank: #2238 (-2)
21M → 35K
4:56 | 6:36/mi
23M
2:30:57
Rank: #2242 (-4)
35K → 23M
8:34 | 6:51/mi
24M
2:37:39
Rank: #2255 (-13)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:43:31
Rank: #2260 (-5)
24M → 40K
5:52 | 6:52/mi
25.2M
2:46:08
Rank: #2270 (-10)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:53:02
Rank: #2283 (-13)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:29
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:28:33
Pace6:45 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4520:246:3420:24
6:34
-
10K
6.21 mi10:41:3540:146:2819:50
6:23
-0:11
15K
9.32 mi11:01:271:00:066:2719:52
6:24
+0:01
20K
12.43 mi11:21:291:20:086:2720:02
6:27
+0:03
Half
13.11 mi11:25:501:24:296:274:21
6:23
-0:04
25K
15.53 mi11:41:341:40:136:2715:44
6:29
+0:06
30K
18.64 mi12:02:242:01:036:3020:50
6:42
+0:13
20M
20.00 mi12:11:342:10:136:319:10
6:45
+0:03
21M
21.00 mi12:18:482:17:276:337:14
7:14
+0:29
35K
21.75 mi12:23:442:22:236:334:56
6:36
-0:38
23M
23.00 mi12:32:182:30:576:348:34
6:51
+0:15
24M
24.00 mi12:39:002:37:396:346:42
6:42
-0:09
40K
24.85 mi12:44:522:43:316:355:52
6:52
+0:10
25.2M
25.20 mi12:47:292:46:086:362:37
7:35
+0:43
Finish
26.22 mi12:54:232:53:026:366:54
6:46
-0:49

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

6:23 /mi

Average Pace

6:36 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:11

94% of race

Time at Steady Pace

7:14

4% of race

Time at Slower Pace

2:37

2% 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 mi10:21:4520:246:3420:24
6:34
#2644
10K
6.21 mi10:41:3540:146:2819:50
6:23
#2352
15K
9.32 mi11:01:271:00:066:2719:52
6:24
#2249
20K
12.43 mi11:21:291:20:086:2720:02
6:27
#2186
Half
13.11 mi11:25:501:24:296:274:21
6:23
#2185
25K
15.53 mi11:41:341:40:136:2715:44
6:29
#2143
30K
18.64 mi12:02:242:01:036:3020:50
6:42
#2199
20M
20.00 mi12:11:342:10:136:319:10
6:45
#2199
21M
21.00 mi12:18:482:17:276:337:14
7:14
#2236
35K
21.75 mi12:23:442:22:236:334:56
6:36
#2238
23M
23.00 mi12:32:182:30:576:348:34
6:51
#2242
24M
24.00 mi12:39:002:37:396:346:42
6:42
#2255
40K
24.85 mi12:44:522:43:316:355:52
6:52
#2260
25.2M
25.20 mi12:47:292:46:086:362:37
7:35
#2270
Finish
26.22 mi12:54:232:53:026:366:54
6:46
#2283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2644251825182075(Top 8%)1990(Top 13%)1990(Top 38%)
10K6.21 mi3.10 mi2352+2922246+2722246+2722164(Top 8%)2073(Top 14%)2073(Top 39%)
15K9.32 mi3.11 mi2249+1032155+912155+912075(Top 8%)1990(Top 13%)1990(Top 38%)
20K12.43 mi3.11 mi2186+632094+612094+612029(Top 8%)1948(Top 13%)1948(Top 37%)
Half13.11 mi0.68 mi2185+12093+12093+12123(Top 8%)2039(Top 13%)2039(Top 39%)
25K15.53 mi2.42 mi2143+422056+372056+372120(Top 8%)2033(Top 13%)2033(Top 38%)
30K18.64 mi3.11 mi2199-562109-532109-532419(Top 9%)2303(Top 15%)2303(Top 44%)
20M20.00 mi1.36 mi2199210921092489(Top 9%)2360(Top 16%)2360(Top 45%)
21M21.00 mi1.00 mi2236-372144-352144-353254(Top 12%)3034(Top 20%)3034(Top 57%)
35K21.75 mi0.75 mi2238-22145-12145-12922(Top 11%)2733(Top 18%)2733(Top 52%)
23M23.00 mi1.25 mi2242-42147-22147-22872(Top 11%)2682(Top 18%)2682(Top 51%)
24M24.00 mi1.00 mi2255-132161-142161-143083(Top 12%)2858(Top 19%)2858(Top 54%)
40K24.85 mi0.85 mi2260-52166-52166-53086(Top 12%)2830(Top 19%)2830(Top 54%)
25.2M25.20 mi0.35 mi2270-102174-82174-84234(Top 16%)3704(Top 24%)3704(Top 70%)
Finish26.22 mi1.02 mi2283-132185-112185-113865(Top 15%)3421(Top 23%)3421(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2075

Males

1990

M18-39

1990

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2164

Males

2073

M18-39

2073

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2075

Males

1990

M18-39

1990

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2029

Males

1948

M18-39

1948

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2123

Males

2039

M18-39

2039

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2120

Males

2033

M18-39

2033

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2419

Males

2303

M18-39

2303

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2489

Males

2360

M18-39

2360

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3254

Males

3034

M18-39

3034

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2922

Males

2733

M18-39

2733

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2872

Males

2682

M18-39

2682

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3083

Males

2858

M18-39

2858

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3086

Males

2830

M18-39

2830

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4234

Males

3704

M18-39

3704

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3865

Males

3421

M18-39

3421

Passing Analysis

Category:
Athletes Passed
868
Passed By
507
Net Change
+361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2644
5K → 10K32533+292#2644#2352
10K → 15K13330+103#2352#2249
15K → 20K9229+63#2249#2186
20K → Half109+1#2186#2185
Half → 25K6826+42#2185#2143
25K → 30K46102-56#2143#2199
30K → 20M36360#2199#2199
20M → 21M2360-37#2199#2236
21M → 35K2325-2#2236#2238
35K → 23M2832-4#2238#2242
23M → 24M2942-13#2242#2255
24M → 40K2328-5#2255#2260
40K → 25.2M1222-10#2260#2270
25.2M → Finish2033-13#2270#2283
TOTALS868507+361
📊

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