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BOSTON MARATHON 2024

Alex Iliff

NJ

Bib: 6266 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 26%
Gender (Male)
#0 / 14578
Top 38%
Masters (Masters Men)
#0 / 9729
Top 27%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:46/mi
21:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:42/mi
41:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:47/mi
1:02:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:56/mi
1:24:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:59/mi
1:29:13
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:04/mi
1:46:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:24/mi
2:09:22
↑ 181↓ 1480.2%
138 ft elev
20M
7:49/mi
2:19:59
↑ 64↓ 500.2%
148 ft elev
21M
8:31/mi
2:28:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:55/mi
2:35:10
↑ 17↓ 861.7%
156 ft elev
23M
10:29/mi
2:48:18
↑ 23↓ 630.6%
116 ft elev
24M
10:22/mi
2:58:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:04/mi
3:06:25
↓ 200.3%
20 ft elev
25.2M
11:56/mi
3:10:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:44/mi
3:19:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:13
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5421:026:4621:02
6:46
-
10K
6.21 mi10:48:4441:526:4420:50
6:42
-0:04
15K
9.32 mi11:09:471:02:556:4521:03
6:47
+0:05
20K
12.43 mi11:31:191:24:276:4821:32
6:56
+0:09
Half
13.11 mi11:36:051:29:136:484:46
6:59
+0:03
25K
15.53 mi11:53:141:46:226:5117:09
7:04
+0:05
30K
18.64 mi12:16:142:09:226:5623:00
7:24
+0:20
20M
20.00 mi12:26:512:19:597:0010:37
7:49
+0:25
21M
21.00 mi12:35:222:28:307:048:31
8:31
+0:42
35K
21.75 mi12:42:022:35:107:086:40
8:55
+0:24
23M
23.00 mi12:55:102:48:187:1913:08
10:29
+1:34
24M
24.00 mi13:05:322:58:407:2710:22
10:22
-0:07
40K
24.85 mi13:13:173:06:257:307:45
9:04
-1:18
25.2M
25.20 mi13:17:243:10:327:344:07
11:56
+2:52
Finish
26.22 mi13:26:183:19:267:378:54
8:44
-3:12

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

6:42 /mi

Average Pace

7:37 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:13

45% of race

Time at Steady Pace

59:17

30% of race

Time at Slower Pace

50:56

26% of race

Average Pace: 7:36 /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 mi10:27:5421:026:4621:02
6:46
#5420
10K
6.21 mi10:48:4441:526:4420:50
6:42
#4872
15K
9.32 mi11:09:471:02:556:4521:03
6:47
#4732
20K
12.43 mi11:31:191:24:276:4821:32
6:56
#4702
Half
13.11 mi11:36:051:29:136:484:46
6:59
#4762
25K
15.53 mi11:53:141:46:226:5117:09
7:04
#4716
30K
18.64 mi12:16:142:09:226:5623:00
7:24
#4673
20M
20.00 mi12:26:512:19:597:0010:37
7:49
#4680
21M
21.00 mi12:35:222:28:307:048:31
8:31
#4712
35K
21.75 mi12:42:022:35:107:086:40
8:55
#4925
23M
23.00 mi12:55:102:48:187:1913:08
10:29
#5618
24M
24.00 mi13:05:322:58:407:2710:22
10:22
#6154
40K
24.85 mi13:13:173:06:257:307:45
9:04
#6280
25.2M
25.20 mi13:17:243:10:327:344:07
11:56
#6518
Finish
26.22 mi13:26:183:19:267:378:54
8:44
#6761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5420498249824530(Top 18%)4223(Top 29%)4223(Top 210%)
10K6.21 mi3.10 mi4872+5484528+4544528+4544380(Top 17%)4099(Top 28%)4099(Top 204%)
15K9.32 mi3.11 mi4732+1404402+1264402+1264530(Top 18%)4223(Top 29%)4223(Top 210%)
20K12.43 mi3.11 mi4702+304371+314371+314840(Top 19%)4439(Top 30%)4439(Top 221%)
Half13.11 mi0.68 mi4762-604421-504421-505680(Top 22%)5101(Top 35%)5101(Top 254%)
25K15.53 mi2.42 mi4716+464361+604361+604702(Top 18%)4260(Top 29%)4260(Top 212%)
30K18.64 mi3.11 mi4673+434298+634298+634652(Top 18%)4101(Top 28%)4101(Top 204%)
20M20.00 mi1.36 mi4680-74287+114287+115764(Top 23%)4716(Top 32%)4716(Top 235%)
21M21.00 mi1.00 mi4712-324295-84295-86286(Top 25%)4853(Top 33%)4853(Top 242%)
35K21.75 mi0.75 mi4925-2134440-1454440-14512823(Top 50%)8067(Top 55%)8067(Top 402%)
23M23.00 mi1.25 mi5618-6934902-4624902-46217003(Top 67%)10048(Top 69%)10048(Top 500%)
24M24.00 mi1.00 mi6154-5365241-3395241-33917451(Top 68%)10231(Top 70%)10231(Top 509%)
40K24.85 mi0.85 mi6280-1265289-485289-4811123(Top 44%)6976(Top 48%)6976(Top 347%)
25.2M25.20 mi0.35 mi6518-2385417-1285417-12817148(Top 67%)9977(Top 68%)9977(Top 497%)
Finish26.22 mi1.02 mi6761-2435535-1185535-11812788(Top 50%)7890(Top 54%)7890(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4530

Males

4223

M40-44

4223

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4380

Males

4099

M40-44

4099

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4530

Males

4223

M40-44

4223

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

4840

Males

4439

M40-44

4439

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5680

Males

5101

M40-44

5101

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4702

Males

4260

M40-44

4260

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4652

Males

4101

M40-44

4101

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

5764

Males

4716

M40-44

4716

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6286

Males

4853

M40-44

4853

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12823

Males

8067

M40-44

8067

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17003

Males

10048

M40-44

10048

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

17451

Males

10231

M40-44

10231

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11123

Males

6976

M40-44

6976

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17148

Males

9977

M40-44

9977

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12788

Males

7890

M40-44

7890

Passing Analysis

Category:
Athletes Passed
1660
Passed By
3001
Net Change
-1341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5420
5K → 10K57325+548#5420#4872
10K → 15K20868+140#4872#4732
15K → 20K183153+30#4732#4702
20K → Half1575-60#4702#4762
Half → 25K199153+46#4762#4716
25K → 30K205162+43#4716#4673
30K → 20M9299-7#4673#4680
20M → 21M76108-32#4680#4712
21M → 35K10223-213#4712#4925
35K → 23M17710-693#4925#5618
23M → 24M12548-536#5618#6154
24M → 40K44170-126#6154#6280
40K → 25.2M3241-238#6280#6518
25.2M → Finish23266-243#6518#6761
TOTALS16603001-1341
📊

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