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BOSTON MARATHON 2024

Marie Nohlborg

Bib: 21241•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:09
Rank: #19016
Start → 5K
27:09 | 8:44/mi
10K· 6.21 mi
55:05
Rank: #19346 (-330)
5K → 10K
27:56 | 8:59/mi
15K· 9.32 mi
1:24:51
Rank: #19964 (-618)
10K → 15K
29:46 | 9:35/mi
20K· 12.43 mi
1:55:57
Rank: #20206 (-242)
15K → 20K
31:06 | 10:01/mi
Half· 13.11 mi
2:02:19
Rank: #20173 (+33)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:26:35
Rank: #19981 (+192)
Half → 25K
24:16 | 10:01/mi
30K· 18.64 mi
2:59:18
Rank: #19743 (+238)
25K → 30K
32:43 | 10:32/mi
20M
3:13:03
Rank: #19498 (+245)
30K → 20M
13:45 | 10:07/mi
21M
3:24:48
Rank: #19405 (+93)
20M → 21M
11:45 | 11:45/mi
35K· 21.75 mi
3:31:40
Rank: #19221 (+184)
21M → 35K
6:52 | 9:11/mi
23M
3:44:27
Rank: #19004 (+217)
35K → 23M
12:47 | 10:13/mi
24M
3:54:14
Rank: #18844 (+160)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
4:03:04
Rank: #18717 (+127)
24M → 40K
8:50 | 10:20/mi
25.2M
4:07:13
Rank: #18704 (+13)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:16:48
Rank: #18587 (+117)
25.2M → Finish
9:35 | 9:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:19
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:14:29
Pace10:16 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4927:098:4427:09
8:44
-
10K
6.21 mi11:51:4555:058:5227:56
8:59
+0:15
15K
9.32 mi12:21:311:24:519:0629:46
9:35
+0:36
20K
12.43 mi12:52:371:55:579:2031:06
10:01
+0:26
Half
13.11 mi12:58:592:02:199:206:22
9:20
-0:41
25K
15.53 mi13:23:152:26:359:2624:16
10:01
+0:41
30K
18.64 mi13:55:582:59:189:3732:43
10:32
+0:31
20M
20.00 mi14:09:433:13:039:3913:45
10:07
-0:25
21M
21.00 mi14:21:283:24:489:4511:45
11:45
+1:38
35K
21.75 mi14:28:203:31:409:446:52
9:11
-2:34
23M
23.00 mi14:41:073:44:279:4612:47
10:13
+1:02
24M
24.00 mi14:50:543:54:149:469:47
9:47
-0:26
40K
24.85 mi14:59:444:03:049:478:50
10:20
+0:33
25.2M
25.20 mi15:03:534:07:139:494:09
12:02
+1:42
Finish
26.22 mi15:13:284:16:489:489:35
9:24
-2:38

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

8:44 /mi

Average Pace

9:48 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:54

30% of race

Time at Steady Pace

2:10:17

51% of race

Time at Slower Pace

48:37

19% of race

Average Pace: 9:48 /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 mi11:23:4927:098:4427:09
8:44
#19016
10K
6.21 mi11:51:4555:058:5227:56
8:59
#19346
15K
9.32 mi12:21:311:24:519:0629:46
9:35
#19964
20K
12.43 mi12:52:371:55:579:2031:06
10:01
#20206
Half
13.11 mi12:58:592:02:199:206:22
9:20
#20173
25K
15.53 mi13:23:152:26:359:2624:16
10:01
#19981
30K
18.64 mi13:55:582:59:189:3732:43
10:32
#19743
20M
20.00 mi14:09:433:13:039:3913:45
10:07
#19498
21M
21.00 mi14:21:283:24:489:4511:45
11:45
#19405
35K
21.75 mi14:28:203:31:409:446:52
9:11
#19221
23M
23.00 mi14:41:073:44:279:4612:47
10:13
#19004
24M
24.00 mi14:50:543:54:149:469:47
9:47
#18844
40K
24.85 mi14:59:444:03:049:478:50
10:20
#18717
25.2M
25.20 mi15:03:534:07:139:494:09
12:02
#18704
Finish
26.22 mi15:13:284:16:489:489:35
9:24
#18587
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190167360736020907(Top 82%)8273(Top 76%)8273(Top 472%)
10K6.21 mi3.10 mi19346-3307506-1467506-14619729(Top 77%)7690(Top 70%)7690(Top 439%)
15K9.32 mi3.11 mi19964-6187821-3157821-31520907(Top 82%)8273(Top 76%)8273(Top 472%)
20K12.43 mi3.11 mi20206-2427933-1127933-11220607(Top 81%)8142(Top 75%)8142(Top 464%)
Half13.11 mi0.68 mi20173+337912+217912+2119541(Top 76%)7622(Top 70%)7622(Top 435%)
25K15.53 mi2.42 mi19981+1927824+887824+8819142(Top 75%)7453(Top 68%)7453(Top 425%)
30K18.64 mi3.11 mi19743+2387758+667758+6618866(Top 74%)7506(Top 69%)7506(Top 428%)
20M20.00 mi1.36 mi19498+2457663+957663+9516882(Top 66%)6662(Top 61%)6662(Top 380%)
21M21.00 mi1.00 mi19405+937640+237640+2318250(Top 71%)7451(Top 68%)7451(Top 425%)
35K21.75 mi0.75 mi19221+1847559+817559+8114208(Top 56%)5451(Top 50%)5451(Top 311%)
23M23.00 mi1.25 mi19004+2177461+987461+9816158(Top 63%)6476(Top 59%)6476(Top 369%)
24M24.00 mi1.00 mi18844+1607399+627399+6215605(Top 61%)6258(Top 57%)6258(Top 357%)
40K24.85 mi0.85 mi18717+1277356+437356+4316177(Top 63%)6594(Top 60%)6594(Top 376%)
25.2M25.20 mi0.35 mi18704+137359-37359-317443(Top 68%)7271(Top 67%)7271(Top 415%)
Finish26.22 mi1.02 mi18587+1177328+317328+3116130(Top 63%)6580(Top 60%)6580(Top 375%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

20907

Females

8273

F45-49

8273

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

19729

Females

7690

F45-49

7690

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

20907

Females

8273

F45-49

8273

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

20607

Females

8142

F45-49

8142

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19541

Females

7622

F45-49

7622

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19142

Females

7453

F45-49

7453

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

18866

Females

7506

F45-49

7506

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16882

Females

6662

F45-49

6662

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18250

Females

7451

F45-49

7451

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14208

Females

5451

F45-49

5451

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16158

Females

6476

F45-49

6476

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

15605

Females

6258

F45-49

6258

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16177

Females

6594

F45-49

6594

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17443

Females

7271

F45-49

7271

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16130

Females

6580

F45-49

6580

Passing Analysis

Category:
Athletes Passed
2220
Passed By
1791
Net Change
+429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19016
5K → 10K142472-330#19016#19346
10K → 15K74692-618#19346#19964
15K → 20K136378-242#19964#20206
20K → Half5118+33#20206#20173
Half → 25K26472+192#20173#19981
25K → 30K30567+238#19981#19743
30K → 20M2516+245#19743#19498
20M → 21M12532+93#19498#19405
21M → 35K1851+184#19405#19221
35K → 23M2269+217#19221#19004
23M → 24M1655+160#19004#18844
24M → 40K13811+127#18844#18717
40K → 25.2M3118+13#18717#18704
25.2M → Finish12710+117#18704#18587
TOTALS22201791+429
📊

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