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BOSTON MARATHON 2023

Ewa Zaborowska

Bib: 2606•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Female)
#0 / 11423
Top 0.6%
Division (F18-39)
#0 / 4884
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #3029
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
40:26
Rank: #2556 (+473)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
1:00:11
Rank: #2301 (+255)
10K → 15K
19:45 | 6:21/mi
20K· 12.43 mi
1:19:42
Rank: #2006 (+295)
15K → 20K
19:31 | 6:17/mi
Half· 13.11 mi
1:23:52
Rank: #1935 (+71)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:39:07
Rank: #1811 (+124)
Half → 25K
15:15 | 6:17/mi
30K· 18.64 mi
1:58:47
Rank: #1639 (+172)
25K → 30K
19:40 | 6:20/mi
20M
2:07:16
Rank: #1535 (+104)
30K → 20M
8:29 | 6:15/mi
21M
2:13:57
Rank: #1488 (+47)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:18:44
Rank: #1496 (-8)
21M → 35K
4:47 | 6:24/mi
23M
2:27:01
Rank: #1490 (+6)
35K → 23M
8:17 | 6:37/mi
24M
2:33:27
Rank: #1479 (+11)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:39:02
Rank: #1476 (+3)
24M → 40K
5:35 | 6:32/mi
25.2M
2:41:32
Rank: #1491 (-15)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:48:27
Rank: #1539 (-48)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:52
Pace6:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:35
Pace6:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3020:346:3720:34
6:37
-
10K
6.21 mi10:41:2240:266:3019:52
6:24
-0:13
15K
9.32 mi11:01:071:00:116:2719:45
6:21
-0:03
20K
12.43 mi11:20:381:19:426:2519:31
6:17
-0:04
Half
13.11 mi11:24:481:23:526:244:10
6:06
-0:11
25K
15.53 mi11:40:031:39:076:2315:15
6:17
+0:11
30K
18.64 mi11:59:431:58:476:2219:40
6:20
+0:03
20M
20.00 mi12:08:122:07:166:228:29
6:15
-0:05
21M
21.00 mi12:14:532:13:576:236:41
6:41
+0:26
35K
21.75 mi12:19:402:18:446:234:47
6:24
-0:17
23M
23.00 mi12:27:572:27:016:248:17
6:37
+0:13
24M
24.00 mi12:34:232:33:276:246:26
6:26
-0:11
40K
24.85 mi12:39:582:39:026:245:35
6:32
+0:06
25.2M
25.20 mi12:42:282:41:326:252:30
7:15
+0:43
Finish
26.22 mi12:49:232:48:276:266:55
6:47
-0:28

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

6:06 /mi

Average Pace

6:26 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:02

94% of race

Time at Steady Pace

6:55

4% of race

Time at Slower Pace

2:30

1% of race

Average Pace: 6:25 /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 mi10:21:3020:346:3720:34
6:37
#3029
10K
6.21 mi10:41:2240:266:3019:52
6:24
#2556
15K
9.32 mi11:01:071:00:116:2719:45
6:21
#2301
20K
12.43 mi11:20:381:19:426:2519:31
6:17
#2006
Half
13.11 mi11:24:481:23:526:244:10
6:06
#1935
25K
15.53 mi11:40:031:39:076:2315:15
6:17
#1811
30K
18.64 mi11:59:431:58:476:2219:40
6:20
#1639
20M
20.00 mi12:08:122:07:166:228:29
6:15
#1535
21M
21.00 mi12:14:532:13:576:236:41
6:41
#1488
35K
21.75 mi12:19:402:18:446:234:47
6:24
#1496
23M
23.00 mi12:27:572:27:016:248:17
6:37
#1490
24M
24.00 mi12:34:232:33:276:246:26
6:26
#1479
40K
24.85 mi12:39:582:39:026:245:35
6:32
#1476
25.2M
25.20 mi12:42:282:41:326:252:30
7:15
#1491
Finish
26.22 mi12:49:232:48:276:266:55
6:47
#1539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi30291551551913(Top 7%)80(Top 0.7%)80(Top 2%)
10K6.21 mi3.10 mi2556+473117+38117+382227(Top 8%)93(Top 0.8%)93(Top 2%)
15K9.32 mi3.11 mi2301+25595+2295+221913(Top 7%)80(Top 0.7%)80(Top 2%)
20K12.43 mi3.11 mi2006+29584+1184+111321(Top 5%)58(Top 0.5%)58(Top 1%)
Half13.11 mi0.68 mi1935+7181+381+31082(Top 4%)50(Top 0.4%)50(Top 1%)
25K15.53 mi2.42 mi1811+12478+378+31312(Top 5%)58(Top 0.5%)58(Top 1%)
30K18.64 mi3.11 mi1639+17271+771+71004(Top 4%)50(Top 0.4%)50(Top 1%)
20M20.00 mi1.36 mi1535+10468+368+3759(Top 3%)40(Top 0.4%)40(Top 0.8%)
21M21.00 mi1.00 mi1488+4766+266+21065(Top 4%)52(Top 0.5%)52(Top 1%)
35K21.75 mi0.75 mi1496-866661982(Top 7%)96(Top 0.8%)96(Top 2%)
23M23.00 mi1.25 mi1490+667-167-11859(Top 7%)96(Top 0.8%)96(Top 2%)
24M24.00 mi1.00 mi1479+1168-168-11844(Top 7%)105(Top 0.9%)105(Top 2%)
40K24.85 mi0.85 mi1476+367+167+11687(Top 6%)99(Top 0.9%)99(Top 2%)
25.2M25.20 mi0.35 mi1491-1567672794(Top 10%)213(Top 2%)213(Top 4%)
Finish26.22 mi1.02 mi1539-4867674024(Top 15%)460(Top 4%)460(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1913

Females

80

F18-39

80

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2227

Females

93

F18-39

93

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1913

Females

80

F18-39

80

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1321

Females

58

F18-39

58

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1082

Females

50

F18-39

50

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1312

Females

58

F18-39

58

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1004

Females

50

F18-39

50

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

759

Females

40

F18-39

40

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1065

Females

52

F18-39

52

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1982

Females

96

F18-39

96

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1859

Females

96

F18-39

96

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1844

Females

105

F18-39

105

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1687

Females

99

F18-39

99

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2794

Females

213

F18-39

213

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4024

Females

460

F18-39

460

Passing Analysis

Category:
Athletes Passed
1676
Passed By
186
Net Change
+1490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3029
5K → 10K49522+473#3029#2556
10K → 15K2616+255#2556#2301
15K → 20K2961+295#2301#2006
20K → Half710+71#2006#1935
Half → 25K1251+124#1935#1811
25K → 30K1753+172#1811#1639
30K → 20M1040+104#1639#1535
20M → 21M525+47#1535#1488
21M → 35K412-8#1488#1496
35K → 23M2620+6#1496#1490
23M → 24M3019+11#1490#1479
24M → 40K2320+3#1479#1476
40K → 25.2M621-15#1476#1491
25.2M → Finish856-48#1491#1539
TOTALS1676186+1490
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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