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BOSTON MARATHON 2024

Lorna Tan-Friederich

Bib: 21188•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
8:52/mi
27:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
55:08
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:23:35
↑ 67↓ 78
20K· 12.43 mi
9:45/mi
1:53:54
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:00:36
↑ 19↓ 370.5%
25K· 15.53 mi
10:22/mi
2:25:43
↑ 66↓ 880.2%
30K· 18.64 mi
11:12/mi
3:00:30
↑ 181↓ 1480.2%
20M
11:14/mi
3:15:46
↑ 64↓ 500.2%
21M
12:34/mi
3:28:20
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
3:35:56
↑ 17↓ 861.7%
23M
10:15/mi
3:48:46
↑ 23↓ 630.6%
24M
10:09/mi
3:58:55
↓ 821.3%
40K· 24.85 mi
10:33/mi
4:07:56
↓ 200.3%
25.2M
11:24/mi
4:11:52
↑ 13↓ 160.2%
Finish· 26.22 mi
9:40/mi
4:21:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:36
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:21:07
Pace10:46 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1727:338:5227:33
8:52
-
10K
6.21 mi11:51:5255:088:5227:35
8:53
+0:01
15K
9.32 mi12:20:191:23:358:5828:27
9:09
+0:16
20K
12.43 mi12:50:381:53:549:1030:19
9:45
+0:36
Half
13.11 mi12:57:202:00:369:126:42
9:49
+0:04
25K
15.53 mi13:22:272:25:439:2325:07
10:22
+0:33
30K
18.64 mi13:57:143:00:309:4134:47
11:12
+0:50
20M
20.00 mi14:12:303:15:469:4715:16
11:14
+0:02
21M
21.00 mi14:25:043:28:209:5512:34
12:34
+1:20
35K
21.75 mi14:32:403:35:569:567:36
10:10
-2:24
23M
23.00 mi14:45:303:48:469:5712:50
10:15
+0:05
24M
24.00 mi14:55:393:58:559:5710:09
10:09
-0:06
40K
24.85 mi15:04:404:07:569:599:01
10:33
+0:24
25.2M
25.20 mi15:08:364:11:5210:003:56
11:24
+0:51
Finish
26.22 mi15:18:274:21:439:599:51
9:40
-1:44

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

8:52 /mi

Average Pace

9:59 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:26

36% of race

Time at Steady Pace

1:41:44

39% of race

Time at Slower Pace

1:06:33

25% of race

Average Pace: 9:59 /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 mi11:24:1727:338:5227:33
8:52
#19561
10K
6.21 mi11:51:5255:088:5227:35
8:53
#19371
15K
9.32 mi12:20:191:23:358:5828:27
9:09
#19436
20K
12.43 mi12:50:381:53:549:1030:19
9:45
#19624
Half
13.11 mi12:57:202:00:369:126:42
9:49
#19717
25K
15.53 mi13:22:272:25:439:2325:07
10:22
#19793
30K
18.64 mi13:57:143:00:309:4134:47
11:12
#19912
20M
20.00 mi14:12:303:15:469:4715:16
11:14
#19903
21M
21.00 mi14:25:043:28:209:5512:34
12:34
#19888
35K
21.75 mi14:32:403:35:569:567:36
10:10
#19783
23M
23.00 mi14:45:303:48:469:5712:50
10:15
#19567
24M
24.00 mi14:55:393:58:559:5710:09
10:09
#19430
40K
24.85 mi15:04:404:07:569:599:01
10:33
#19321
25.2M
25.20 mi15:08:364:11:5210:003:56
11:24
#19253
Finish
26.22 mi15:18:274:21:439:599:51
9:40
#19163
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi195617660766019558(Top 77%)7553(Top 69%)7553(Top 636%)
10K6.21 mi3.10 mi19371+1907519+1417519+14119231(Top 75%)7421(Top 68%)7421(Top 625%)
15K9.32 mi3.11 mi19436-657540-217540-2119558(Top 77%)7553(Top 69%)7553(Top 636%)
20K12.43 mi3.11 mi19624-1887623-837623-8319936(Top 78%)7774(Top 71%)7774(Top 655%)
Half13.11 mi0.68 mi19717-937674-517674-5121018(Top 82%)8408(Top 77%)8408(Top 708%)
25K15.53 mi2.42 mi19793-767736-627736-6220058(Top 79%)7960(Top 73%)7960(Top 671%)
30K18.64 mi3.11 mi19912-1197847-1117847-11120422(Top 80%)8325(Top 76%)8325(Top 701%)
20M20.00 mi1.36 mi19903+97867-207867-2019827(Top 78%)8132(Top 74%)8132(Top 685%)
21M21.00 mi1.00 mi19888+157884-177884-1719993(Top 78%)8322(Top 76%)8322(Top 701%)
35K21.75 mi0.75 mi19783+1057847+377847+3717655(Top 69%)7164(Top 66%)7164(Top 604%)
23M23.00 mi1.25 mi19567+2167768+797768+7916298(Top 64%)6551(Top 60%)6551(Top 552%)
24M24.00 mi1.00 mi19430+1377720+487720+4816832(Top 66%)6865(Top 63%)6865(Top 578%)
40K24.85 mi0.85 mi19321+1097672+487672+4816836(Top 66%)6940(Top 64%)6940(Top 585%)
25.2M25.20 mi0.35 mi19253+687640+327640+3215835(Top 62%)6468(Top 59%)6468(Top 545%)
Finish26.22 mi1.02 mi19163+907614+267614+2617231(Top 67%)7126(Top 65%)7126(Top 600%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

19558

Females

7553

F50-54

7553

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19231

Females

7421

F50-54

7421

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

19558

Females

7553

F50-54

7553

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

19936

Females

7774

F50-54

7774

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21018

Females

8408

F50-54

8408

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20058

Females

7960

F50-54

7960

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

20422

Females

8325

F50-54

8325

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19827

Females

8132

F50-54

8132

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19993

Females

8322

F50-54

8322

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

17655

Females

7164

F50-54

7164

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16298

Females

6551

F50-54

6551

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16832

Females

6865

F50-54

6865

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16836

Females

6940

F50-54

6940

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15835

Females

6468

F50-54

6468

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17231

Females

7126

F50-54

7126

Passing Analysis

Category:
Athletes Passed
1983
Passed By
1585
Net Change
+398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19561
5K → 10K351161+190#19561#19371
10K → 15K202267-65#19371#19436
15K → 20K170358-188#19436#19624
20K → Half12105-93#19624#19717
Half → 25K156232-76#19717#19793
25K → 30K140259-119#19793#19912
30K → 20M8071+9#19912#19903
20M → 21M8974+15#19903#19888
21M → 35K11611+105#19888#19783
35K → 23M2226+216#19783#19567
23M → 24M14811+137#19567#19430
24M → 40K12011+109#19430#19321
40K → 25.2M680+68#19321#19253
25.2M → Finish10919+90#19253#19163
TOTALS19831585+398
📊

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