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BOSTON MARATHON 2023

Margaux Mclean

Bib: 15157•F

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
49:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:32
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:39:30
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:45:01
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:30:25
↑ 181↓ 1480.2%
20M
8:31/mi
2:42:00
↑ 64↓ 500.2%
21M
9:11/mi
2:51:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:57:04
↑ 17↓ 861.7%
23M
8:34/mi
3:07:48
↑ 23↓ 630.6%
24M
8:16/mi
3:16:04
↓ 821.3%
40K· 24.85 mi
9:42/mi
3:24:22
↓ 200.3%
25.2M
11:48/mi
3:28:26
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
3:39:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:01
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:54:08
Pace8:42 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0324:377:5524:37
7:55
-
10K
6.21 mi11:40:0449:387:5925:01
8:03
+0:08
15K
9.32 mi12:04:581:14:328:0024:54
8:01
-0:02
20K
12.43 mi12:29:561:39:308:0024:58
8:02
+0:01
Half
13.11 mi12:35:271:45:018:015:31
8:05
+0:03
25K
15.53 mi12:55:102:04:448:0219:43
8:08
+0:03
30K
18.64 mi13:20:512:30:258:0425:41
8:16
+0:08
20M
20.00 mi13:32:262:42:008:0611:35
8:31
+0:15
21M
21.00 mi13:41:372:51:118:099:11
9:11
+0:40
35K
21.75 mi13:47:302:57:048:095:53
7:52
-1:19
23M
23.00 mi13:58:143:07:488:1010:44
8:34
+0:42
24M
24.00 mi14:06:303:16:048:108:16
8:16
-0:18
40K
24.85 mi14:14:483:24:228:138:18
9:42
+1:26
25.2M
25.20 mi14:18:523:28:268:164:04
11:48
+2:06
Finish
26.22 mi14:29:353:39:098:2210:43
10:31
-1:17

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

7:52 /mi

Average Pace

8:22 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:06:53

85% of race

Time at Slower Pace

32:16

15% of race

Average Pace: 8:21 /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 mi11:15:0324:377:5524:37
7:55
#13470
10K
6.21 mi11:40:0449:387:5925:01
8:03
#14307
15K
9.32 mi12:04:581:14:328:0024:54
8:01
#14343
20K
12.43 mi12:29:561:39:308:0024:58
8:02
#14165
Half
13.11 mi12:35:271:45:018:015:31
8:05
#14206
25K
15.53 mi12:55:102:04:448:0219:43
8:08
#14096
30K
18.64 mi13:20:512:30:258:0425:41
8:16
#13849
20M
20.00 mi13:32:262:42:008:0611:35
8:31
#13831
21M
21.00 mi13:41:372:51:118:099:11
9:11
#13863
35K
21.75 mi13:47:302:57:048:095:53
7:52
#13738
23M
23.00 mi13:58:143:07:488:1010:44
8:34
#13715
24M
24.00 mi14:06:303:16:048:108:16
8:16
#13657
40K
24.85 mi14:14:483:24:228:138:18
9:42
#13910
25.2M
25.20 mi14:18:523:28:268:164:04
11:48
#14182
Finish
26.22 mi14:29:353:39:098:2210:43
10:31
#14715
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134703697369714513(Top 55%)4394(Top 38%)4394(Top 90%)
10K6.21 mi3.10 mi14307-8374233-5364233-53615194(Top 57%)4789(Top 42%)4789(Top 98%)
15K9.32 mi3.11 mi14343-364259-264259-2614513(Top 55%)4394(Top 38%)4394(Top 90%)
20K12.43 mi3.11 mi14165+1784184+754184+7513743(Top 52%)3963(Top 35%)3963(Top 81%)
Half13.11 mi0.68 mi14206-414205-214205-2115097(Top 57%)4742(Top 42%)4742(Top 97%)
25K15.53 mi2.42 mi14096+1104171+344171+3413765(Top 52%)4081(Top 36%)4081(Top 84%)
30K18.64 mi3.11 mi13849+2474044+1274044+12712827(Top 48%)3658(Top 32%)3658(Top 75%)
20M20.00 mi1.36 mi13831+184058-144058-1413794(Top 52%)4293(Top 38%)4293(Top 88%)
21M21.00 mi1.00 mi13863-324091-334091-3314415(Top 54%)4720(Top 41%)4720(Top 97%)
35K21.75 mi0.75 mi13738+1254031+604031+6011208(Top 42%)2995(Top 26%)2995(Top 61%)
23M23.00 mi1.25 mi13715+234050-194050-1913681(Top 51%)4439(Top 39%)4439(Top 91%)
24M24.00 mi1.00 mi13657+584038+124038+1213099(Top 49%)4188(Top 37%)4188(Top 86%)
40K24.85 mi0.85 mi13910-2534218-1804218-18019048(Top 72%)7518(Top 66%)7518(Top 154%)
25.2M25.20 mi0.35 mi14182-2724395-1774395-17722130(Top 83%)9189(Top 80%)9189(Top 188%)
Finish26.22 mi1.02 mi14715-5334735-3404735-34023031(Top 87%)9657(Top 85%)9657(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14513

Females

4394

F18-39

4394

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15194

Females

4789

F18-39

4789

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14513

Females

4394

F18-39

4394

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13743

Females

3963

F18-39

3963

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15097

Females

4742

F18-39

4742

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13765

Females

4081

F18-39

4081

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12827

Females

3658

F18-39

3658

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13794

Females

4293

F18-39

4293

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14415

Females

4720

F18-39

4720

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11208

Females

2995

F18-39

2995

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13681

Females

4439

F18-39

4439

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13099

Females

4188

F18-39

4188

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19048

Females

7518

F18-39

7518

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22130

Females

9189

F18-39

9189

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23031

Females

9657

F18-39

9657

Passing Analysis

Category:
Athletes Passed
1571
Passed By
2816
Net Change
-1245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13470
5K → 10K66903-837#13470#14307
10K → 15K159195-36#14307#14343
15K → 20K26789+178#14343#14165
20K → Half1354-41#14165#14206
Half → 25K19989+110#14206#14096
25K → 30K32881+247#14096#13849
30K → 20M9880+18#13849#13831
20M → 21M83115-32#13831#13863
21M → 35K1316+125#13863#13738
35K → 23M10380+23#13738#13715
23M → 24M9234+58#13715#13657
24M → 40K24277-253#13657#13910
40K → 25.2M2274-272#13910#14182
25.2M → Finish6539-533#14182#14715
TOTALS15712816-1245
📊

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