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BOSTON MARATHON 2023

Colleen Mulhern

NY

Bib: 6107 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Female)
#0 / 11423
Top 1.0%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:33/mi
20:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:32/mi
40:38
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:33/mi
1:00:59
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:32/mi
1:21:17
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:31/mi
1:25:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:34/mi
1:41:40
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:40/mi
2:02:22
↑ 181↓ 1480.2%
138 ft elev
20M
6:42/mi
2:11:28
↑ 64↓ 500.2%
148 ft elev
21M
6:57/mi
2:18:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:28/mi
2:23:15
↑ 17↓ 861.7%
156 ft elev
23M
6:51/mi
2:31:49
↑ 23↓ 630.6%
116 ft elev
24M
6:41/mi
2:38:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:58/mi
2:44:27
↓ 200.3%
20 ft elev
25.2M
7:29/mi
2:47:02
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:57/mi
2:54:07
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:25:446:32 /mi⚡ faster
2nd Half
1:28:236:45 /mi+3.1%
Positive split — 3.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:216:333.11 mi20:21
6:33
-
10K
40:386:323.10 mi20:17
6:32
-0:01
15K
1:00:596:333.11 mi20:21
6:33
+0:01
20K
1:21:176:323.11 mi20:18
6:32
-0:01
Half(13.11 mi)
1:25:446:320.68 mi4:27
6:31
-0:01
25K
1:41:406:332.42 mi15:56
6:34
+0:03
30K
2:02:226:343.11 mi20:42
6:40
+0:06
20M
2:11:286:341.36 mi9:06
6:42
+0:02
21M
2:18:256:351.00 mi6:57
6:57
+0:15
35K
2:23:156:350.75 mi4:50
6:28
-0:29
23M
2:31:496:361.25 mi8:34
6:51
+0:23
24M
2:38:306:361.00 mi6:41
6:41
-0:10
40K
2:44:276:370.85 mi5:57
6:58
+0:17
25.2M
2:47:026:380.35 mi2:35
7:29
+0:31
Finish(26.22 mi)
2:54:076:391.02 mi7:05
6:57
-0:32
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:28 /mi

Average Pace

6:39 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:51:32

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi25621161162944129129
10K3.10 mi2741-179124-8124-82973131131
15K3.11 mi2788-47123+1123+12944129129
20K3.11 mi2680+108117+6117+62496104104
Half(13.11 mi)0.68 mi2683-31171173000126126
25K2.42 mi2657+26116+1116+12563109109
30K3.11 mi2543+114110+6110+62241103103
20M1.36 mi2494+49105+5105+52286113113
21M1.00 mi2439+55101+4101+41950100100
35K0.75 mi2415+241011012280114114
23M1.25 mi2405+10102-1102-12928189189
24M1.00 mi2402+31021023053215215
40K0.85 mi2410-8104-2104-23653336336
25.2M0.35 mi2409+1105-1105-13919408408
Finish(26.22 mi)1.02 mi2500-91113-8113-84941701701

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2944

Females

129

F18-39

129

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2973

Females

131

F18-39

131

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2944

Females

129

F18-39

129

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2496

Females

104

F18-39

104

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

3000

Females

126

F18-39

126

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2563

Females

109

F18-39

109

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2241

Females

103

F18-39

103

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2286

Females

113

F18-39

113

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1950

Females

100

F18-39

100

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2280

Females

114

F18-39

114

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2928

Females

189

F18-39

189

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3053

Females

215

F18-39

215

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3653

Females

336

F18-39

336

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3919

Females

408

F18-39

408

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4941

Females

701

F18-39

701

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#2562
5K → 10K
25374-179
#2562 → #2741
10K → 15K
11568-47
#2741 → #2788
15K → 20K
26134+108
#2788 → #2680
20K → Half
1512-3
#2680 → #2683
Half → 25K
3157+26
#2683 → #2657
25K → 30K
25139+114
#2657 → #2543
30K → 20M
1261+49
#2543 → #2494
20M → 21M
1671+55
#2494 → #2439
21M → 35K
1236+24
#2439 → #2415
35K → 23M
3444+10
#2415 → #2405
23M → 24M
2225+3
#2405 → #2402
24M → 40K
3022-8
#2402 → #2410
40K → 25.2M
1112+1
#2410 → #2409
25.2M → Finish
10211-91
#2409 → #2500
TOTALS
704766+62
#2562 → #2500

Passing Visualized

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