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BOSTON MARATHON 2023

Eirini Alexandra Karpathiou

Bib: 16259•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
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
7:59/mi
24:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:36
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:39:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:45:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:05:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:32:05
↑ 181↓ 1480.2%
20M
8:52/mi
2:44:08
↑ 64↓ 500.2%
21M
10:26/mi
2:54:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:01:05
↑ 17↓ 861.7%
23M
9:31/mi
3:13:00
↑ 23↓ 630.6%
24M
9:24/mi
3:22:24
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:30:39
↓ 200.3%
25.2M
10:15/mi
3:34:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:43:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:58:00
Pace9:00 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0124:477:5924:47
7:59
-
10K
6.21 mi11:39:5149:377:5924:50
8:00
+0:01
15K
9.32 mi12:04:501:14:368:0024:59
8:02
+0:02
20K
12.43 mi12:30:071:39:538:0225:17
8:08
+0:06
Half
13.11 mi12:35:341:45:208:025:27
7:59
-0:09
25K
15.53 mi12:55:322:05:188:0419:58
8:14
+0:15
30K
18.64 mi13:22:192:32:058:1026:47
8:37
+0:23
20M
20.00 mi13:34:222:44:088:1212:03
8:52
+0:15
21M
21.00 mi13:44:482:54:348:1910:26
10:26
+1:34
35K
21.75 mi13:51:193:01:058:206:31
8:43
-1:43
23M
23.00 mi14:03:143:13:008:2311:55
9:31
+0:48
24M
24.00 mi14:12:383:22:248:269:24
9:24
-0:07
40K
24.85 mi14:20:533:30:398:298:15
9:39
+0:15
25.2M
25.20 mi14:24:253:34:118:303:32
10:15
+0:36
Finish
26.22 mi14:33:343:43:208:319:09
8:59
-1:16

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

7:59 /mi

Average Pace

8:31 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:18

56% of race

Time at Steady Pace

54:30

24% of race

Time at Slower Pace

43:32

19% of race

Average Pace: 8:31 /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 mi11:15:0124:477:5924:47
7:59
#13873
10K
6.21 mi11:39:5149:377:5924:50
8:00
#14282
15K
9.32 mi12:04:501:14:368:0024:59
8:02
#14391
20K
12.43 mi12:30:071:39:538:0225:17
8:08
#14380
Half
13.11 mi12:35:341:45:208:025:27
7:59
#14367
25K
15.53 mi12:55:322:05:188:0419:58
8:14
#14399
30K
18.64 mi13:22:192:32:058:1026:47
8:37
#14518
20M
20.00 mi13:34:222:44:088:1212:03
8:52
#14609
21M
21.00 mi13:44:482:54:348:1910:26
10:26
#14974
35K
21.75 mi13:51:193:01:058:206:31
8:43
#15029
23M
23.00 mi14:03:143:13:008:2311:55
9:31
#15233
24M
24.00 mi14:12:383:22:248:269:24
9:24
#15446
40K
24.85 mi14:20:533:30:398:298:15
9:39
#15619
25.2M
25.20 mi14:24:253:34:118:303:32
10:15
#15672
Finish
26.22 mi14:33:343:43:208:319:09
8:59
#15762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138733949394914747(Top 55%)4536(Top 40%)4536(Top 93%)
10K6.21 mi3.10 mi14282-4094218-2694218-26914778(Top 56%)4531(Top 40%)4531(Top 93%)
15K9.32 mi3.11 mi14391-1094293-754293-7514747(Top 55%)4536(Top 40%)4536(Top 93%)
20K12.43 mi3.11 mi14380+114303-104303-1014525(Top 55%)4424(Top 39%)4424(Top 91%)
Half13.11 mi0.68 mi14367+134300+34300+314388(Top 54%)4332(Top 38%)4332(Top 89%)
25K15.53 mi2.42 mi14399-324347-474347-4714513(Top 55%)4528(Top 40%)4528(Top 93%)
30K18.64 mi3.11 mi14518-1194459-1124459-11215048(Top 57%)4959(Top 43%)4959(Top 102%)
20M20.00 mi1.36 mi14609-914533-744533-7415832(Top 59%)5468(Top 48%)5468(Top 112%)
21M21.00 mi1.00 mi14974-3654777-2444777-24419374(Top 73%)7558(Top 66%)7558(Top 155%)
35K21.75 mi0.75 mi15029-554831-544831-5416479(Top 62%)5978(Top 52%)5978(Top 122%)
23M23.00 mi1.25 mi15233-2044986-1554986-15518397(Top 69%)7069(Top 62%)7069(Top 145%)
24M24.00 mi1.00 mi15446-2135139-1535139-15318855(Top 71%)7358(Top 64%)7358(Top 151%)
40K24.85 mi0.85 mi15619-1735256-1175256-11718861(Top 71%)7411(Top 65%)7411(Top 152%)
25.2M25.20 mi0.35 mi15672-535288-325288-3218286(Top 69%)7095(Top 62%)7095(Top 145%)
Finish26.22 mi1.02 mi15762-905350-625350-6217884(Top 67%)6846(Top 60%)6846(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14747

Females

4536

F18-39

4536

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14778

Females

4531

F18-39

4531

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14747

Females

4536

F18-39

4536

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14525

Females

4424

F18-39

4424

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14388

Females

4332

F18-39

4332

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14513

Females

4528

F18-39

4528

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15048

Females

4959

F18-39

4959

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15832

Females

5468

F18-39

5468

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19374

Females

7558

F18-39

7558

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16479

Females

5978

F18-39

5978

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18397

Females

7069

F18-39

7069

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18855

Females

7358

F18-39

7358

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18861

Females

7411

F18-39

7411

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18286

Females

7095

F18-39

7095

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17884

Females

6846

F18-39

6846

Passing Analysis

Category:
Athletes Passed
1019
Passed By
2908
Net Change
-1889
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13873
5K → 10K129538-409#13873#14282
10K → 15K142251-109#14282#14391
15K → 20K187176+11#14391#14380
20K → Half4027+13#14380#14367
Half → 25K138170-32#14367#14399
25K → 30K127246-119#14399#14518
30K → 20M69160-91#14518#14609
20M → 21M16381-365#14609#14974
21M → 35K3489-55#14974#15029
35K → 23M36240-204#15029#15233
23M → 24M27240-213#15233#15446
24M → 40K27200-173#15446#15619
40K → 25.2M1467-53#15619#15672
25.2M → Finish33123-90#15672#15762
TOTALS10192908-1889
📊

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