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BOSTON MARATHON 2024

Christian Iantosca

Bib: 25292•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 35%
Gender (Male)
#0 / 14578
Top 47%
Masters (Masters Men)
#0 / 9729
Top 37%
Division (M45-49)
#0 / 2218
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
7:31/mi
23:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:08:56
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:32:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:37:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:22:31
↑ 181↓ 1480.2%
20M
8:31/mi
2:34:06
↑ 64↓ 500.2%
21M
9:12/mi
2:43:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
2:49:40
↑ 17↓ 861.7%
23M
8:24/mi
3:00:11
↑ 23↓ 630.6%
24M
8:31/mi
3:08:42
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:16:14
↓ 200.3%
25.2M
9:43/mi
3:19:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:28:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5823:207:3123:20
7:31
-
10K
6.21 mi12:05:3245:547:2322:34
7:16
-0:15
15K
9.32 mi12:28:341:08:567:2423:02
7:25
+0:09
20K
12.43 mi12:52:131:32:357:2723:39
7:37
+0:12
Half
13.11 mi12:57:151:37:377:275:02
7:23
-0:14
25K
15.53 mi13:16:161:56:387:3019:01
7:51
+0:28
30K
18.64 mi13:42:092:22:317:3925:53
8:20
+0:29
20M
20.00 mi13:53:442:34:067:4211:35
8:31
+0:11
21M
21.00 mi14:02:562:43:187:479:12
9:12
+0:41
35K
21.75 mi14:09:182:49:407:486:22
8:31
-0:41
23M
23.00 mi14:19:493:00:117:5010:31
8:24
-0:07
24M
24.00 mi14:28:203:08:427:528:31
8:31
+0:07
40K
24.85 mi14:35:523:16:147:547:32
8:49
+0:18
25.2M
25.20 mi14:39:133:19:357:553:21
9:43
+0:54
Finish
26.22 mi14:47:443:28:067:578:31
8:21
-1:22

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

7:16 /mi

Average Pace

7:57 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:38

56% of race

Time at Steady Pace

1:11:23

34% of race

Time at Slower Pace

20:05

10% of race

Average Pace: 7:56 /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 mi11:42:5823:207:3123:20
7:31
#10827
10K
6.21 mi12:05:3245:547:2322:34
7:16
#9524
15K
9.32 mi12:28:341:08:567:2423:02
7:25
#9306
20K
12.43 mi12:52:131:32:357:2723:39
7:37
#9244
Half
13.11 mi12:57:151:37:377:275:02
7:23
#9175
25K
15.53 mi13:16:161:56:387:3019:01
7:51
#9132
30K
18.64 mi13:42:092:22:317:3925:53
8:20
#9167
20M
20.00 mi13:53:442:34:067:4211:35
8:31
#9124
21M
21.00 mi14:02:562:43:187:479:12
9:12
#9070
35K
21.75 mi14:09:182:49:407:486:22
8:31
#9096
23M
23.00 mi14:19:493:00:117:5010:31
8:24
#8917
24M
24.00 mi14:28:203:08:427:528:31
8:31
#8939
40K
24.85 mi14:35:523:16:147:547:32
8:49
#8950
25.2M
25.20 mi14:39:133:19:357:553:21
9:43
#8956
Finish
26.22 mi14:47:443:28:067:578:31
8:21
#9007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10827832883288984(Top 35%)7273(Top 50%)7273(Top 328%)
10K6.21 mi3.10 mi9524+13037673+6557673+6558368(Top 33%)6966(Top 48%)6966(Top 314%)
15K9.32 mi3.11 mi9306+2187527+1467527+1468984(Top 35%)7273(Top 50%)7273(Top 328%)
20K12.43 mi3.11 mi9244+627446+817446+819159(Top 36%)7251(Top 50%)7251(Top 327%)
Half13.11 mi0.68 mi9175+697402+447402+448191(Top 32%)6739(Top 46%)6739(Top 304%)
25K15.53 mi2.42 mi9132+437344+587344+589198(Top 36%)7081(Top 49%)7081(Top 319%)
30K18.64 mi3.11 mi9167-357258+867258+869713(Top 38%)7132(Top 49%)7132(Top 322%)
20M20.00 mi1.36 mi9124+437170+887170+889558(Top 37%)6813(Top 47%)6813(Top 307%)
21M21.00 mi1.00 mi9070+547076+947076+949478(Top 37%)6513(Top 45%)6513(Top 294%)
35K21.75 mi0.75 mi9096-267063+137063+1310766(Top 42%)7106(Top 49%)7106(Top 320%)
23M23.00 mi1.25 mi8917+1796895+1686895+1687899(Top 31%)5533(Top 38%)5533(Top 249%)
24M24.00 mi1.00 mi8939-226871+246871+249530(Top 37%)6300(Top 43%)6300(Top 284%)
40K24.85 mi0.85 mi8950-116830+416830+419926(Top 39%)6366(Top 44%)6366(Top 287%)
25.2M25.20 mi0.35 mi8956-66807+236807+239634(Top 38%)6154(Top 42%)6154(Top 277%)
Finish26.22 mi1.02 mi9007-516787+206787+2010678(Top 42%)6823(Top 47%)6823(Top 308%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

8984

Males

7273

M45-49

7273

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8368

Males

6966

M45-49

6966

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

8984

Males

7273

M45-49

7273

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9159

Males

7251

M45-49

7251

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8191

Males

6739

M45-49

6739

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9198

Males

7081

M45-49

7081

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

9713

Males

7132

M45-49

7132

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9558

Males

6813

M45-49

6813

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9478

Males

6513

M45-49

6513

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10766

Males

7106

M45-49

7106

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

7899

Males

5533

M45-49

5533

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9530

Males

6300

M45-49

6300

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9926

Males

6366

M45-49

6366

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9634

Males

6154

M45-49

6154

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10678

Males

6823

M45-49

6823

Passing Analysis

Category:
Athletes Passed
3305*
Passed By
1485
Net Change
+1820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10827
5K → 10K1318*15+1303#10827#9524
10K → 15K30082+218#9524#9306
15K → 20K240178+62#9306#9244
20K → Half734+69#9244#9175
Half → 25K224181+43#9175#9132
25K → 30K261296-35#9132#9167
30K → 20M151108+43#9167#9124
20M → 21M160106+54#9124#9070
21M → 35K6490-26#9070#9096
35K → 23M23556+179#9096#8917
23M → 24M6789-22#8917#8939
24M → 40K94105-11#8939#8950
40K → 25.2M4450-6#8950#8956
25.2M → Finish74125-51#8956#9007
TOTALS3305*1485+1820

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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