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BOSTON MARATHON 2024

Ian Jack

Bib: 8248•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 28%
Gender (Male)
#0 / 14578
Top 40%
Masters (Masters Men)
#0 / 9729
Top 29%
Division (M45-49)
#0 / 2218
Top 40%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #5501
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:46
Rank: #6054 (-553)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:04:50
Rank: #6302 (-248)
10K → 15K
22:04 | 7:06/mi
20K· 12.43 mi
1:27:57
Rank: #6641 (-339)
15K → 20K
23:07 | 7:26/mi
Half· 13.11 mi
1:32:54
Rank: #6664 (-23)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:51:35
Rank: #6830 (-166)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:16:43
Rank: #7043 (-213)
25K → 30K
25:08 | 8:05/mi
20M
2:27:56
Rank: #7051 (-8)
30K → 20M
11:13 | 8:15/mi
21M
2:36:55
Rank: #7034 (+17)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:43:15
Rank: #7121 (-87)
21M → 35K
6:20 | 8:28/mi
23M
2:54:02
Rank: #7159 (-38)
35K → 23M
10:47 | 8:37/mi
24M
3:02:42
Rank: #7259 (-100)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:09:52
Rank: #7210 (+49)
24M → 40K
7:10 | 8:23/mi
25.2M
3:13:00
Rank: #7172 (+38)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:21:17
Rank: #7202 (-30)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:54
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:48:23
Pace8:16 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1821:046:4721:04
6:47
-
10K
6.21 mi11:08:0042:466:5321:42
6:59
+0:12
15K
9.32 mi11:30:041:04:506:5722:04
7:06
+0:07
20K
12.43 mi11:53:111:27:577:0523:07
7:26
+0:20
Half
13.11 mi11:58:081:32:547:054:57
7:15
-0:11
25K
15.53 mi12:16:491:51:357:1118:41
7:42
+0:27
30K
18.64 mi12:41:572:16:437:2025:08
8:05
+0:23
20M
20.00 mi12:53:102:27:567:2411:13
8:15
+0:10
21M
21.00 mi13:02:092:36:557:288:59
8:59
+0:44
35K
21.75 mi13:08:292:43:157:306:20
8:28
-0:31
23M
23.00 mi13:19:162:54:027:3410:47
8:37
+0:09
24M
24.00 mi13:27:563:02:427:378:40
8:40
+0:03
40K
24.85 mi13:35:063:09:527:387:10
8:23
-0:17
25.2M
25.20 mi13:38:143:13:007:403:08
9:05
+0:42
Finish
26.22 mi13:46:313:21:177:418:17
8:08
-0:57

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

6:47 /mi

Average Pace

7:41 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:35

55% of race

Time at Steady Pace

58:08

29% of race

Time at Slower Pace

31:34

16% of race

Average Pace: 7:41 /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 mi10:46:1821:046:4721:04
6:47
#5501
10K
6.21 mi11:08:0042:466:5321:42
6:59
#6054
15K
9.32 mi11:30:041:04:506:5722:04
7:06
#6302
20K
12.43 mi11:53:111:27:577:0523:07
7:26
#6641
Half
13.11 mi11:58:081:32:547:054:57
7:15
#6664
25K
15.53 mi12:16:491:51:357:1118:41
7:42
#6830
30K
18.64 mi12:41:572:16:437:2025:08
8:05
#7043
20M
20.00 mi12:53:102:27:567:2411:13
8:15
#7051
21M
21.00 mi13:02:092:36:557:288:59
8:59
#7034
35K
21.75 mi13:08:292:43:157:306:20
8:28
#7121
23M
23.00 mi13:19:162:54:027:3410:47
8:37
#7159
24M
24.00 mi13:27:563:02:427:378:40
8:40
#7259
40K
24.85 mi13:35:063:09:527:387:10
8:23
#7210
25.2M
25.20 mi13:38:143:13:007:403:08
9:05
#7172
Finish
26.22 mi13:46:313:21:177:418:17
8:08
#7202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5501504750476808(Top 27%)5940(Top 41%)5940(Top 268%)
10K6.21 mi3.10 mi6054-5535469-4225469-4226555(Top 26%)5802(Top 40%)5802(Top 262%)
15K9.32 mi3.11 mi6302-2485644-1755644-1756808(Top 27%)5940(Top 41%)5940(Top 268%)
20K12.43 mi3.11 mi6641-3395858-2145858-2147924(Top 31%)6551(Top 45%)6551(Top 295%)
Half13.11 mi0.68 mi6664-235868-105868-107305(Top 29%)6185(Top 42%)6185(Top 279%)
25K15.53 mi2.42 mi6830-1665934-665934-668290(Top 32%)6586(Top 45%)6586(Top 297%)
30K18.64 mi3.11 mi7043-2136027-936027-938385(Top 33%)6433(Top 44%)6433(Top 290%)
20M20.00 mi1.36 mi7051-85992+355992+358103(Top 32%)6048(Top 41%)6048(Top 273%)
21M21.00 mi1.00 mi7034+175923+695923+698491(Top 33%)6034(Top 41%)6034(Top 272%)
35K21.75 mi0.75 mi7121-875958-355958-3510482(Top 41%)6962(Top 48%)6962(Top 314%)
23M23.00 mi1.25 mi7159-385918+405918+409056(Top 35%)6126(Top 42%)6126(Top 276%)
24M24.00 mi1.00 mi7259-1005939-215939-2110363(Top 41%)6715(Top 46%)6715(Top 303%)
40K24.85 mi0.85 mi7210+495859+805859+807738(Top 30%)5238(Top 36%)5238(Top 236%)
25.2M25.20 mi0.35 mi7172+385814+455814+456893(Top 27%)4759(Top 33%)4759(Top 215%)
Finish26.22 mi1.02 mi7202-305794+205794+209332(Top 37%)6104(Top 42%)6104(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

6808

Males

5940

M45-49

5940

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6555

Males

5802

M45-49

5802

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

6808

Males

5940

M45-49

5940

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

7924

Males

6551

M45-49

6551

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7305

Males

6185

M45-49

6185

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8290

Males

6586

M45-49

6586

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8385

Males

6433

M45-49

6433

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8103

Males

6048

M45-49

6048

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8491

Males

6034

M45-49

6034

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10482

Males

6962

M45-49

6962

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9056

Males

6126

M45-49

6126

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10363

Males

6715

M45-49

6715

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7738

Males

5238

M45-49

5238

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6893

Males

4759

M45-49

4759

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9332

Males

6104

M45-49

6104

Passing Analysis

Category:
Athletes Passed
1217
Passed By
2918
Net Change
-1701
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5501
5K → 10K54607-553#5501#6054
10K → 15K72320-248#6054#6302
15K → 20K84423-339#6302#6641
20K → Half1841-23#6641#6664
Half → 25K116282-166#6664#6830
25K → 30K152365-213#6830#7043
30K → 20M113121-8#7043#7051
20M → 21M141124+17#7051#7034
21M → 35K50137-87#7034#7121
35K → 23M126164-38#7121#7159
23M → 24M66166-100#7159#7259
24M → 40K10253+49#7259#7210
40K → 25.2M6022+38#7210#7172
25.2M → Finish6393-30#7172#7202
TOTALS12172918-1701
📊

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