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BOSTON MARATHON 2024

Erik Axel Nielsen

Bib: 5794•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 20%
Gender (Male)
#0 / 14578
Top 31%
Masters (Masters Men)
#0 / 9729
Top 19%
Division (M40-44)
#0 / 2009
Top 44%
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
6:50/mi
21:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:27
↑ 79↓ 1380.4%
15K· 9.32 mi
6:51/mi
1:03:45
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:25:02
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:29:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:03/mi
1:46:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:09:50
↑ 181↓ 1480.2%
20M
7:44/mi
2:20:21
↑ 64↓ 500.2%
21M
8:11/mi
2:28:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:34:12
↑ 17↓ 861.7%
23M
8:07/mi
2:44:22
↑ 23↓ 630.6%
24M
8:36/mi
2:52:58
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:00:33
↓ 200.3%
25.2M
13:12/mi
3:05:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:12:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:36
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0921:156:5021:15
6:50
-
10K
6.21 mi10:46:2142:276:5021:12
6:49
-0:01
15K
9.32 mi11:07:391:03:456:5021:18
6:51
+0:02
20K
12.43 mi11:28:561:25:026:5121:17
6:51
0:00
Half
13.11 mi11:33:301:29:366:504:34
6:42
-0:09
25K
15.53 mi11:50:351:46:416:5217:05
7:03
+0:21
30K
18.64 mi12:13:442:09:506:5823:09
7:27
+0:24
20M
20.00 mi12:24:152:20:217:0110:31
7:44
+0:17
21M
21.00 mi12:32:262:28:327:048:11
8:11
+0:27
35K
21.75 mi12:38:062:34:127:055:40
7:34
-0:37
23M
23.00 mi12:48:162:44:227:0910:10
8:07
+0:33
24M
24.00 mi12:56:522:52:587:128:36
8:36
+0:29
40K
24.85 mi13:04:273:00:337:167:35
8:52
+0:16
25.2M
25.20 mi13:09:003:05:067:214:33
13:12
+4:20
Finish
26.22 mi13:16:443:12:507:227:44
7:35
-5:37

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

7:22 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:34

2% of race

Time at Steady Pace

2:47:32

87% of race

Time at Slower Pace

20:44

11% of race

Average Pace: 7:21 /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 mi10:25:0921:156:5021:15
6:50
#5963
10K
6.21 mi10:46:2142:276:5021:12
6:49
#5659
15K
9.32 mi11:07:391:03:456:5021:18
6:51
#5483
20K
12.43 mi11:28:561:25:026:5121:17
6:51
#5119
Half
13.11 mi11:33:301:29:366:504:34
6:42
#5036
25K
15.53 mi11:50:351:46:416:5217:05
7:03
#4891
30K
18.64 mi12:13:442:09:506:5823:09
7:27
#4814
20M
20.00 mi12:24:152:20:217:0110:31
7:44
#4792
21M
21.00 mi12:32:262:28:327:048:11
8:11
#4722
35K
21.75 mi12:38:062:34:127:055:40
7:34
#4701
23M
23.00 mi12:48:162:44:227:0910:10
8:07
#4699
24M
24.00 mi12:56:522:52:587:128:36
8:36
#4811
40K
24.85 mi13:04:273:00:337:167:35
8:52
#4929
25.2M
25.20 mi13:09:003:05:067:214:33
13:12
#5228
Finish
26.22 mi13:16:443:12:507:227:44
7:35
#5202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5963541854185231(Top 20%)4792(Top 33%)4792(Top 239%)
10K6.21 mi3.10 mi5659+3045169+2495169+2495393(Top 21%)4954(Top 34%)4954(Top 247%)
15K9.32 mi3.11 mi5483+1765029+1405029+1405231(Top 20%)4792(Top 33%)4792(Top 239%)
20K12.43 mi3.11 mi5119+3644726+3034726+3034266(Top 17%)3965(Top 27%)3965(Top 197%)
Half13.11 mi0.68 mi5036+834656+704656+703762(Top 15%)3532(Top 24%)3532(Top 176%)
25K15.53 mi2.42 mi4891+1454510+1464510+1464570(Top 18%)4162(Top 29%)4162(Top 207%)
30K18.64 mi3.11 mi4814+774412+984412+984857(Top 19%)4249(Top 29%)4249(Top 211%)
20M20.00 mi1.36 mi4792+224379+334379+335392(Top 21%)4497(Top 31%)4497(Top 224%)
21M21.00 mi1.00 mi4722+704302+774302+774845(Top 19%)4001(Top 27%)4001(Top 199%)
35K21.75 mi0.75 mi4701+214273+294273+295395(Top 21%)4319(Top 30%)4319(Top 215%)
23M23.00 mi1.25 mi4699+24239+344239+346355(Top 25%)4722(Top 32%)4722(Top 235%)
24M24.00 mi1.00 mi4811-1124294-554294-5510002(Top 39%)6530(Top 45%)6530(Top 325%)
40K24.85 mi0.85 mi4929-1184351-574351-5710210(Top 40%)6504(Top 45%)6504(Top 324%)
25.2M25.20 mi0.35 mi5228-2994554-2034554-20320053(Top 78%)11452(Top 79%)11452(Top 570%)
Finish26.22 mi1.02 mi5202+264507+474507+476083(Top 24%)4368(Top 30%)4368(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5231

Males

4792

M40-44

4792

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5393

Males

4954

M40-44

4954

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5231

Males

4792

M40-44

4792

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4266

Males

3965

M40-44

3965

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3762

Males

3532

M40-44

3532

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4570

Males

4162

M40-44

4162

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

4857

Males

4249

M40-44

4249

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5392

Males

4497

M40-44

4497

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4845

Males

4001

M40-44

4001

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5395

Males

4319

M40-44

4319

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6355

Males

4722

M40-44

4722

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10002

Males

6530

M40-44

6530

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10210

Males

6504

M40-44

6504

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20053

Males

11452

M40-44

11452

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6083

Males

4368

M40-44

4368

Passing Analysis

Category:
Athletes Passed
2028
Passed By
1267
Net Change
+761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5963
5K → 10K36662+304#5963#5659
10K → 15K23054+176#5659#5483
15K → 20K38016+364#5483#5119
20K → Half852+83#5119#5036
Half → 25K23388+145#5036#4891
25K → 30K218141+77#4891#4814
30K → 20M10078+22#4814#4792
20M → 21M11949+70#4792#4722
21M → 35K5736+21#4722#4701
35K → 23M8785+2#4701#4699
23M → 24M40152-112#4699#4811
24M → 40K33151-118#4811#4929
40K → 25.2M5304-299#4929#5228
25.2M → Finish7549+26#5228#5202
TOTALS20281267+761
📊

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