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BOSTON MARATHON 2023

Elaine Eng

Bib: 26663•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:12/mi
28:36
↑ 97↓ 3451.5%
10K· 6.21 mi
9:32/mi
58:13
↑ 79↓ 1380.4%
15K· 9.32 mi
9:53/mi
1:28:56
↑ 67↓ 78
20K· 12.43 mi
10:13/mi
2:00:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:08/mi
2:07:35
↑ 19↓ 370.5%
25K· 15.53 mi
10:50/mi
2:33:52
↑ 66↓ 880.2%
30K· 18.64 mi
11:17/mi
3:08:56
↑ 181↓ 1480.2%
20M
11:22/mi
3:24:23
↑ 64↓ 500.2%
21M
11:49/mi
3:36:12
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:43:57
↑ 17↓ 861.7%
23M
10:35/mi
3:57:12
↑ 23↓ 630.6%
24M
10:10/mi
4:07:22
↓ 821.3%
40K· 24.85 mi
10:23/mi
4:16:15
↓ 200.3%
25.2M
11:33/mi
4:20:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:30:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:35
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:22:44
Pace10:53 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2228:369:1228:36
9:12
-
10K
6.21 mi12:15:5958:139:2229:37
9:32
+0:20
15K
9.32 mi12:46:421:28:569:3230:43
9:53
+0:21
20K
12.43 mi13:18:262:00:409:4331:44
10:13
+0:20
Half
13.11 mi13:25:212:07:359:446:55
10:08
-0:05
25K
15.53 mi13:51:382:33:529:5426:17
10:50
+0:42
30K
18.64 mi14:26:423:08:5610:0835:04
11:17
+0:27
20M
20.00 mi14:42:093:24:2310:1315:27
11:22
+0:05
21M
21.00 mi14:53:583:36:1210:1811:49
11:49
+0:27
35K
21.75 mi15:01:433:43:5710:187:45
10:22
-1:27
23M
23.00 mi15:14:583:57:1210:1913:15
10:35
+0:13
24M
24.00 mi15:25:084:07:2210:1810:10
10:10
-0:25
40K
24.85 mi15:34:014:16:1510:198:53
10:23
+0:13
25.2M
25.20 mi15:38:004:20:1410:203:59
11:33
+1:10
Finish
26.22 mi15:48:054:30:1910:1910:05
9:54
-1:39

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

9:12 /mi

Average Pace

10:19 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:01

37% of race

Time at Steady Pace

1:18:42

29% of race

Time at Slower Pace

1:32:36

34% of race

Average Pace: 10:19 /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 mi11:46:2228:369:1228:36
9:12
#21225
10K
6.21 mi12:15:5958:139:2229:37
9:32
#21953
15K
9.32 mi12:46:421:28:569:3230:43
9:53
#22428
20K
12.43 mi13:18:262:00:409:4331:44
10:13
#22697
Half
13.11 mi13:25:212:07:359:446:55
10:08
#22749
25K
15.53 mi13:51:382:33:529:5426:17
10:50
#22969
30K
18.64 mi14:26:423:08:5610:0835:04
11:17
#23115
20M
20.00 mi14:42:093:24:2310:1315:27
11:22
#23127
21M
21.00 mi14:53:583:36:1210:1811:49
11:49
#23083
35K
21.75 mi15:01:433:43:5710:187:45
10:22
#23054
23M
23.00 mi15:14:583:57:1210:1913:15
10:35
#22943
24M
24.00 mi15:25:084:07:2210:1810:10
10:10
#22860
40K
24.85 mi15:34:014:16:1510:198:53
10:23
#22808
25.2M
25.20 mi15:38:004:20:1410:203:59
11:33
#22791
Finish
26.22 mi15:48:054:30:1910:1910:05
9:54
#22757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi212258487848723277(Top 87%)9483(Top 83%)9483(Top 786%)
10K6.21 mi3.10 mi21953-7288829-3428829-34222616(Top 85%)9150(Top 80%)9150(Top 758%)
15K9.32 mi3.11 mi22428-4759057-2289057-22823277(Top 87%)9483(Top 83%)9483(Top 786%)
20K12.43 mi3.11 mi22697-2699190-1339190-13323316(Top 88%)9523(Top 83%)9523(Top 789%)
Half13.11 mi0.68 mi22749-529216-269216-2623560(Top 88%)9656(Top 85%)9656(Top 800%)
25K15.53 mi2.42 mi22969-2209343-1279343-12723732(Top 89%)9812(Top 86%)9812(Top 813%)
30K18.64 mi3.11 mi23115-1469444-1019444-10123556(Top 88%)9759(Top 85%)9759(Top 809%)
20M20.00 mi1.36 mi23127-129462-189462-1823310(Top 88%)9685(Top 85%)9685(Top 802%)
21M21.00 mi1.00 mi23083+449449+139449+1322455(Top 84%)9253(Top 81%)9253(Top 767%)
35K21.75 mi0.75 mi23054+299442+79442+722137(Top 83%)9129(Top 80%)9129(Top 756%)
23M23.00 mi1.25 mi22943+1119397+459397+4521532(Top 81%)8810(Top 77%)8810(Top 730%)
24M24.00 mi1.00 mi22860+839365+329365+3221254(Top 80%)8701(Top 76%)8701(Top 721%)
40K24.85 mi0.85 mi22808+529341+249341+2420978(Top 79%)8595(Top 75%)8595(Top 712%)
25.2M25.20 mi0.35 mi22791+179332+99332+921704(Top 82%)8971(Top 79%)8971(Top 743%)
Finish26.22 mi1.02 mi22757+349318+149318+1421485(Top 81%)8841(Top 77%)8841(Top 732%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23277

Females

9483

F50-54

9483

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22616

Females

9150

F50-54

9150

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23277

Females

9483

F50-54

9483

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23316

Females

9523

F50-54

9523

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23560

Females

9656

F50-54

9656

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23732

Females

9812

F50-54

9812

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23556

Females

9759

F50-54

9759

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23310

Females

9685

F50-54

9685

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22455

Females

9253

F50-54

9253

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22137

Females

9129

F50-54

9129

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21532

Females

8810

F50-54

8810

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21254

Females

8701

F50-54

8701

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20978

Females

8595

F50-54

8595

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21704

Females

8971

F50-54

8971

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21485

Females

8841

F50-54

8841

Passing Analysis

Category:
Athletes Passed
789
Passed By
2321
Net Change
-1532
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21225
5K → 10K53781-728#21225#21953
10K → 15K55530-475#21953#22428
15K → 20K60329-269#22428#22697
20K → Half557-52#22697#22749
Half → 25K39259-220#22749#22969
25K → 30K70216-146#22969#23115
30K → 20M5062-12#23115#23127
20M → 21M6824+44#23127#23083
21M → 35K4718+29#23083#23054
35K → 23M1165+111#23054#22943
23M → 24M896+83#22943#22860
24M → 40K6614+52#22860#22808
40K → 25.2M214+17#22808#22791
25.2M → Finish5016+34#22791#22757
TOTALS7892321-1532
📊

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