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BOSTON MARATHON 2024

Campbell Ilfrey

Bib: 6699•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 9%
Gender (Male)
#0 / 14578
Top 15%
Masters (Masters Men)
#0 / 9729
Top 6%
Division (M50-54)
#0 / 1935
Top 3%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4229
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:15
Rank: #4054 (+175)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:05
Rank: #3995 (+59)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:22:50
Rank: #3694 (+301)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:23
Rank: #3691 (+3)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:35
Rank: #3419 (+272)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:04:58
Rank: #3104 (+315)
25K → 30K
21:23 | 6:53/mi
20M
2:14:17
Rank: #2935 (+169)
30K → 20M
9:19 | 6:51/mi
21M
2:21:29
Rank: #2755 (+180)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:26:11
Rank: #2604 (+151)
21M → 35K
4:42 | 6:17/mi
23M
2:34:40
Rank: #2445 (+159)
35K → 23M
8:29 | 6:47/mi
24M
2:41:21
Rank: #2341 (+104)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:47:20
Rank: #2265 (+76)
24M → 40K
5:59 | 7:00/mi
25.2M
2:50:09
Rank: #2267 (-2)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
2:57:32
Rank: #2322 (-55)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:09
Pace6:53 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4520:366:3820:36
6:38
-
10K
6.21 mi10:46:2441:156:3820:39
6:39
+0:01
15K
9.32 mi11:07:141:02:056:4020:50
6:42
+0:03
20K
12.43 mi11:27:591:22:506:4020:45
6:41
-0:01
Half
13.11 mi11:32:321:27:236:404:33
6:40
-0:01
25K
15.53 mi11:48:441:43:356:4016:12
6:41
+0:01
30K
18.64 mi12:10:072:04:586:4221:23
6:53
+0:12
20M
20.00 mi12:19:262:14:176:439:19
6:51
-0:02
21M
21.00 mi12:26:382:21:296:447:12
7:12
+0:21
35K
21.75 mi12:31:202:26:116:434:42
6:17
-0:55
23M
23.00 mi12:39:492:34:406:438:29
6:47
+0:30
24M
24.00 mi12:46:302:41:216:436:41
6:41
-0:06
40K
24.85 mi12:52:292:47:206:445:59
7:00
+0:19
25.2M
25.20 mi12:55:182:50:096:452:49
8:10
+1:10
Finish
26.22 mi13:02:412:57:326:477:23
7:15
-0:55

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

6:17 /mi

Average Pace

6:47 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:42

3% of race

Time at Steady Pace

2:29:27

84% of race

Time at Slower Pace

23:23

13% of race

Average Pace: 6:46 /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 mi10:25:4520:366:3820:36
6:38
#4229
10K
6.21 mi10:46:2441:156:3820:39
6:39
#4054
15K
9.32 mi11:07:141:02:056:4020:50
6:42
#3995
20K
12.43 mi11:27:591:22:506:4020:45
6:41
#3694
Half
13.11 mi11:32:321:27:236:404:33
6:40
#3691
25K
15.53 mi11:48:441:43:356:4016:12
6:41
#3419
30K
18.64 mi12:10:072:04:586:4221:23
6:53
#3104
20M
20.00 mi12:19:262:14:176:439:19
6:51
#2935
21M
21.00 mi12:26:382:21:296:447:12
7:12
#2755
35K
21.75 mi12:31:202:26:116:434:42
6:17
#2604
23M
23.00 mi12:39:492:34:406:438:29
6:47
#2445
24M
24.00 mi12:46:302:41:216:436:41
6:41
#2341
40K
24.85 mi12:52:292:47:206:445:59
7:00
#2265
25.2M
25.20 mi12:55:182:50:096:452:49
8:10
#2267
Finish
26.22 mi13:02:412:57:326:477:23
7:15
#2322
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4229398539853957(Top 15%)3724(Top 26%)3724(Top 192%)
10K6.21 mi3.10 mi4054+1753821+1643821+1643928(Top 15%)3701(Top 25%)3701(Top 191%)
15K9.32 mi3.11 mi3995+593768+533768+533957(Top 15%)3724(Top 26%)3724(Top 192%)
20K12.43 mi3.11 mi3694+3013501+2673501+2673076(Top 12%)2925(Top 20%)2925(Top 151%)
Half13.11 mi0.68 mi3691+33499+23499+23503(Top 14%)3306(Top 23%)3306(Top 171%)
25K15.53 mi2.42 mi3419+2723243+2563243+2562515(Top 10%)2392(Top 16%)2392(Top 124%)
30K18.64 mi3.11 mi3104+3152943+3002943+3002295(Top 9%)2168(Top 15%)2168(Top 112%)
20M20.00 mi1.36 mi2935+1692782+1612782+1611785(Top 7%)1679(Top 12%)1679(Top 87%)
21M21.00 mi1.00 mi2755+1802608+1742608+1741563(Top 6%)1471(Top 10%)1471(Top 76%)
35K21.75 mi0.75 mi2604+1512470+1382470+138804(Top 3%)762(Top 5%)762(Top 39%)
23M23.00 mi1.25 mi2445+1592324+1462324+1461255(Top 5%)1184(Top 8%)1184(Top 61%)
24M24.00 mi1.00 mi2341+1042221+1032221+1031344(Top 5%)1252(Top 9%)1252(Top 65%)
40K24.85 mi0.85 mi2265+762143+782143+781833(Top 7%)1657(Top 11%)1657(Top 86%)
25.2M25.20 mi0.35 mi2267-22142+12142+13219(Top 13%)2662(Top 18%)2662(Top 138%)
Finish26.22 mi1.02 mi2322-552183-412183-414197(Top 16%)3317(Top 23%)3317(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3957

Males

3724

M50-54

3724

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3928

Males

3701

M50-54

3701

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3957

Males

3724

M50-54

3724

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3076

Males

2925

M50-54

2925

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3503

Males

3306

M50-54

3306

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2515

Males

2392

M50-54

2392

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2295

Males

2168

M50-54

2168

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1785

Males

1679

M50-54

1679

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1563

Males

1471

M50-54

1471

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

804

Males

762

M50-54

762

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1255

Males

1184

M50-54

1184

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1344

Males

1252

M50-54

1252

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1833

Males

1657

M50-54

1657

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3219

Males

2662

M50-54

2662

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4197

Males

3317

M50-54

3317

Passing Analysis

Category:
Athletes Passed
2313
Passed By
406
Net Change
+1907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4229
5K → 10K275100+175#4229#4054
10K → 15K15192+59#4054#3995
15K → 20K31716+301#3995#3694
20K → Half2623+3#3694#3691
Half → 25K2819+272#3691#3419
25K → 30K34429+315#3419#3104
30K → 20M1767+169#3104#2935
20M → 21M1844+180#2935#2755
21M → 35K1510+151#2755#2604
35K → 23M1634+159#2604#2445
23M → 24M1073+104#2445#2341
24M → 40K9014+76#2341#2265
40K → 25.2M2022-2#2265#2267
25.2M → Finish2883-55#2267#2322
TOTALS2313406+1907
📊

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