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BOSTON MARATHON 2023

Brittany Humphreys

Bib: 15155•F

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 18%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:09:04
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:31:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:36:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:54:33
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:17:47
↑ 181↓ 1480.2%
20M
7:33/mi
2:28:02
↑ 64↓ 500.2%
21M
7:46/mi
2:35:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:41:13
↑ 17↓ 861.7%
23M
7:35/mi
2:50:43
↑ 23↓ 630.6%
24M
7:22/mi
2:58:05
↓ 821.3%
40K· 24.85 mi
7:27/mi
3:04:27
↓ 200.3%
25.2M
8:01/mi
3:07:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:14:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:50
Pace7:23 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0723:227:3123:22
7:31
-
10K
6.21 mi11:16:0646:217:2822:59
7:24
-0:07
15K
9.32 mi11:38:491:09:047:2522:43
7:19
-0:05
20K
12.43 mi12:01:381:31:537:2422:49
7:21
+0:02
Half
13.11 mi12:06:351:36:507:234:57
7:15
-0:06
25K
15.53 mi12:24:181:54:337:2217:43
7:18
+0:03
30K
18.64 mi12:47:322:17:477:2323:14
7:29
+0:11
20M
20.00 mi12:57:472:28:027:2410:15
7:33
+0:04
21M
21.00 mi13:05:332:35:487:257:46
7:46
+0:13
35K
21.75 mi13:10:582:41:137:255:25
7:14
-0:32
23M
23.00 mi13:20:282:50:437:259:30
7:35
+0:21
24M
24.00 mi13:27:502:58:057:257:22
7:22
-0:13
40K
24.85 mi13:34:123:04:277:256:22
7:27
+0:05
25.2M
25.20 mi13:36:583:07:137:262:46
8:01
+0:34
Finish
26.22 mi13:44:223:14:377:267:24
7:16
-0:45

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

7:14 /mi

Average Pace

7:26 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:51

99% of race

Time at Steady Pace

2:46

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:53:0723:227:3123:22
7:31
#9814
10K
6.21 mi11:16:0646:217:2822:59
7:24
#9659
15K
9.32 mi11:38:491:09:047:2522:43
7:19
#9280
20K
12.43 mi12:01:381:31:537:2422:49
7:21
#8951
Half
13.11 mi12:06:351:36:507:234:57
7:15
#8902
25K
15.53 mi12:24:181:54:337:2217:43
7:18
#8635
30K
18.64 mi12:47:322:17:477:2323:14
7:29
#8292
20M
20.00 mi12:57:472:28:027:2410:15
7:33
#8190
21M
21.00 mi13:05:332:35:487:257:46
7:46
#8023
35K
21.75 mi13:10:582:41:137:255:25
7:14
#7957
23M
23.00 mi13:20:282:50:437:259:30
7:35
#7868
24M
24.00 mi13:27:502:58:057:257:22
7:22
#7793
40K
24.85 mi13:34:123:04:277:256:22
7:27
#7718
25.2M
25.20 mi13:36:583:07:137:262:46
8:01
#7684
Finish
26.22 mi13:44:223:14:377:267:24
7:16
#7623
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9814175917598677(Top 33%)1308(Top 11%)1308(Top 27%)
10K6.21 mi3.10 mi9659+1551686+731686+739618(Top 36%)1661(Top 15%)1661(Top 34%)
15K9.32 mi3.11 mi9280+3791533+1531533+1538677(Top 33%)1308(Top 11%)1308(Top 27%)
20K12.43 mi3.11 mi8951+3291422+1111422+1118116(Top 30%)1142(Top 10%)1142(Top 23%)
Half13.11 mi0.68 mi8902+491402+201402+208302(Top 31%)1207(Top 11%)1207(Top 25%)
25K15.53 mi2.42 mi8635+2671308+941308+947347(Top 28%)961(Top 8%)961(Top 20%)
30K18.64 mi3.11 mi8292+3431226+821226+827081(Top 27%)951(Top 8%)951(Top 19%)
20M20.00 mi1.36 mi8190+1021206+201206+207109(Top 27%)1059(Top 9%)1059(Top 22%)
21M21.00 mi1.00 mi8023+1671159+471159+476033(Top 23%)817(Top 7%)817(Top 17%)
35K21.75 mi0.75 mi7957+661148+111148+116815(Top 26%)1033(Top 9%)1033(Top 21%)
23M23.00 mi1.25 mi7868+891135+131135+137019(Top 26%)1180(Top 10%)1180(Top 24%)
24M24.00 mi1.00 mi7793+751131+41131+46862(Top 26%)1219(Top 11%)1219(Top 25%)
40K24.85 mi0.85 mi7718+751117+141117+146399(Top 24%)1117(Top 10%)1117(Top 23%)
25.2M25.20 mi0.35 mi7684+341115+21115+26708(Top 25%)1294(Top 11%)1294(Top 26%)
Finish26.22 mi1.02 mi7623+611118-31118-36863(Top 26%)1368(Top 12%)1368(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8677

Females

1308

F18-39

1308

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9618

Females

1661

F18-39

1661

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8677

Females

1308

F18-39

1308

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8116

Females

1142

F18-39

1142

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8302

Females

1207

F18-39

1207

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7347

Females

961

F18-39

961

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7081

Females

951

F18-39

951

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7109

Females

1059

F18-39

1059

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6033

Females

817

F18-39

817

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6815

Females

1033

F18-39

1033

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7019

Females

1180

F18-39

1180

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6862

Females

1219

F18-39

1219

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6399

Females

1117

F18-39

1117

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6708

Females

1294

F18-39

1294

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6863

Females

1368

F18-39

1368

Passing Analysis

Category:
Athletes Passed
2694
Passed By
503
Net Change
+2191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9814
5K → 10K388233+155#9814#9659
10K → 15K40728+379#9659#9280
15K → 20K34617+329#9280#8951
20K → Half578+49#8951#8902
Half → 25K28013+267#8902#8635
25K → 30K37128+343#8635#8292
30K → 20M12624+102#8292#8190
20M → 21M1769+167#8190#8023
21M → 35K7711+66#8023#7957
35K → 23M12435+89#7957#7868
23M → 24M10530+75#7868#7793
24M → 40K10025+75#7793#7718
40K → 25.2M4410+34#7718#7684
25.2M → Finish9332+61#7684#7623
TOTALS2694503+2191
📊

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