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BOSTON MARATHON 2024

Magda Rolfes

Bib: 21419•F

VA

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

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
8:35/mi
26:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:19:33
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:48:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
1:54:51
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:19:56
↑ 66↓ 880.2%
30K· 18.64 mi
10:02/mi
2:51:05
↑ 181↓ 1480.2%
20M
10:37/mi
3:05:30
↑ 64↓ 500.2%
21M
11:37/mi
3:17:07
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:24:40
↑ 17↓ 861.7%
23M
10:10/mi
3:37:24
↑ 23↓ 630.6%
24M
10:06/mi
3:47:30
↓ 821.3%
40K· 24.85 mi
10:11/mi
3:56:12
↓ 200.3%
25.2M
11:33/mi
4:00:11
↑ 13↓ 160.2%
Finish· 26.22 mi
10:22/mi
4:10:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:51
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:15:54
Pace10:22 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0426:398:3526:39
8:35
-
10K
6.21 mi11:50:1352:488:3026:09
8:25
-0:10
15K
9.32 mi12:16:581:19:338:3226:45
8:37
+0:12
20K
12.43 mi12:45:451:48:208:4328:47
9:16
+0:39
Half
13.11 mi12:52:161:54:518:466:31
9:33
+0:17
25K
15.53 mi13:17:212:19:569:0025:05
10:21
+0:48
30K
18.64 mi13:48:302:51:059:1131:09
10:02
-0:19
20M
20.00 mi14:02:553:05:309:1614:25
10:37
+0:35
21M
21.00 mi14:14:323:17:079:2311:37
11:37
+1:00
35K
21.75 mi14:22:053:24:409:257:33
10:06
-1:31
23M
23.00 mi14:34:493:37:249:2712:44
10:10
+0:04
24M
24.00 mi14:44:553:47:309:2910:06
10:06
-0:04
40K
24.85 mi14:53:373:56:129:308:42
10:11
+0:05
25.2M
25.20 mi14:57:364:00:119:323:59
11:33
+1:22
Finish
26.22 mi15:08:104:10:459:3410:34
10:22
-1:11

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

8:25 /mi

Average Pace

9:34 /mi

Slowest Pace

11:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:51

46% of race

Time at Steady Pace

1:45:53

42% of race

Time at Slower Pace

30:01

12% of race

Average Pace: 9:34 /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 mi11:24:0426:398:3526:39
8:35
#18202
10K
6.21 mi11:50:1352:488:3026:09
8:25
#17525
15K
9.32 mi12:16:581:19:338:3226:45
8:37
#17305
20K
12.43 mi12:45:451:48:208:4328:47
9:16
#17613
Half
13.11 mi12:52:161:54:518:466:31
9:33
#17792
25K
15.53 mi13:17:212:19:569:0025:05
10:21
#18338
30K
18.64 mi13:48:302:51:059:1131:09
10:02
#18155
20M
20.00 mi14:02:553:05:309:1614:25
10:37
#18204
21M
21.00 mi14:14:323:17:079:2311:37
11:37
#18203
35K
21.75 mi14:22:053:24:409:257:33
10:06
#18158
23M
23.00 mi14:34:493:37:249:2712:44
10:10
#17977
24M
24.00 mi14:44:553:47:309:2910:06
10:06
#17917
40K
24.85 mi14:53:373:56:129:308:42
10:11
#17811
25.2M
25.20 mi14:57:364:00:119:323:59
11:33
#17777
Finish
26.22 mi15:08:104:10:459:3410:34
10:22
#17808
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi182026886688617035(Top 67%)6160(Top 56%)6160(Top 351%)
10K6.21 mi3.10 mi17525+6776465+4216465+42116795(Top 66%)6007(Top 55%)6007(Top 343%)
15K9.32 mi3.11 mi17305+2206325+1406325+14017035(Top 67%)6160(Top 56%)6160(Top 351%)
20K12.43 mi3.11 mi17613-3086525-2006525-20018444(Top 72%)6960(Top 64%)6960(Top 397%)
Half13.11 mi0.68 mi17792-1796630-1056630-10520222(Top 79%)7998(Top 73%)7998(Top 456%)
25K15.53 mi2.42 mi18338-5466955-3256955-32520024(Top 78%)7936(Top 73%)7936(Top 453%)
30K18.64 mi3.11 mi18155+1836921+346921+3417438(Top 68%)6754(Top 62%)6754(Top 385%)
20M20.00 mi1.36 mi18204-496974-536974-5318306(Top 72%)7364(Top 67%)7364(Top 420%)
21M21.00 mi1.00 mi18203+16991-176991-1717945(Top 70%)7298(Top 67%)7298(Top 416%)
35K21.75 mi0.75 mi18158+456985+66985+617468(Top 68%)7076(Top 65%)7076(Top 404%)
23M23.00 mi1.25 mi17977+1816923+626923+6216037(Top 63%)6419(Top 59%)6419(Top 366%)
24M24.00 mi1.00 mi17917+606913+106913+1016662(Top 65%)6770(Top 62%)6770(Top 386%)
40K24.85 mi0.85 mi17811+1066880+336880+3315636(Top 61%)6334(Top 58%)6334(Top 361%)
25.2M25.20 mi0.35 mi17777+346872+86872+816217(Top 63%)6644(Top 61%)6644(Top 379%)
Finish26.22 mi1.02 mi17808-316918-466918-4619631(Top 77%)8289(Top 76%)8289(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17035

Females

6160

F45-49

6160

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16795

Females

6007

F45-49

6007

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17035

Females

6160

F45-49

6160

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

18444

Females

6960

F45-49

6960

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20222

Females

7998

F45-49

7998

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20024

Females

7936

F45-49

7936

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17438

Females

6754

F45-49

6754

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

18306

Females

7364

F45-49

7364

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17945

Females

7298

F45-49

7298

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

17468

Females

7076

F45-49

7076

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16037

Females

6419

F45-49

6419

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16662

Females

6770

F45-49

6770

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15636

Females

6334

F45-49

6334

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16217

Females

6644

F45-49

6644

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

19631

Females

8289

F45-49

8289

Passing Analysis

Category:
Athletes Passed
2461
Passed By
2067
Net Change
+394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18202
5K → 10K73760+677#18202#17525
10K → 15K358138+220#17525#17305
15K → 20K165473-308#17305#17613
20K → Half11190-179#17613#17792
Half → 25K69615-546#17792#18338
25K → 30K336153+183#18338#18155
30K → 20M79128-49#18155#18204
20M → 21M105104+1#18204#18203
21M → 35K7934+45#18203#18158
35K → 23M20221+181#18158#17977
23M → 24M9434+60#17977#17917
24M → 40K12519+106#17917#17811
40K → 25.2M4410+34#17811#17777
25.2M → Finish5788-31#17777#17808
TOTALS24612067+394
📊

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