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BOSTON MARATHON 2023

Alexis Basalyga

Bib: 18898•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:23/mi
26:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:18:58
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:46:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:51:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:13:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:41:56
↑ 181↓ 1480.2%
20M
9:15/mi
2:54:30
↑ 64↓ 500.2%
21M
9:56/mi
3:04:26
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:11:10
↑ 17↓ 861.7%
23M
9:21/mi
3:22:52
↑ 23↓ 630.6%
24M
9:06/mi
3:31:58
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:39:48
↓ 200.3%
25.2M
10:06/mi
3:43:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:52:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:57
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:00:28
Pace9:11 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0426:048:2326:04
8:23
-
10K
6.21 mi11:44:2852:288:2726:24
8:30
+0:07
15K
9.32 mi12:10:581:18:588:2826:30
8:32
+0:02
20K
12.43 mi12:38:041:46:048:3227:06
8:43
+0:11
Half
13.11 mi12:43:571:51:578:325:53
8:37
-0:06
25K
15.53 mi13:05:112:13:118:3421:14
8:45
+0:08
30K
18.64 mi13:33:562:41:568:4128:45
9:15
+0:30
20M
20.00 mi13:46:302:54:308:4312:34
9:15
0:00
21M
21.00 mi13:56:263:04:268:479:56
9:56
+0:41
35K
21.75 mi14:03:103:11:108:476:44
9:00
-0:56
23M
23.00 mi14:14:523:22:528:4911:42
9:21
+0:21
24M
24.00 mi14:23:583:31:588:509:06
9:06
-0:15
40K
24.85 mi14:31:483:39:488:517:50
9:10
+0:04
25.2M
25.20 mi14:35:173:43:178:523:29
10:06
+0:56
Finish
26.22 mi14:44:253:52:258:529:08
8:58
-1:08

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

8:23 /mi

Average Pace

8:52 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:11

57% of race

Time at Steady Pace

32:48

14% of race

Time at Slower Pace

1:06:26

29% of race

Average Pace: 8:52 /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 mi11:18:0426:048:2326:04
8:23
#16823
10K
6.21 mi11:44:2852:288:2726:24
8:30
#17502
15K
9.32 mi12:10:581:18:588:2826:30
8:32
#17678
20K
12.43 mi12:38:041:46:048:3227:06
8:43
#17792
Half
13.11 mi12:43:571:51:578:325:53
8:37
#17827
25K
15.53 mi13:05:112:13:118:3421:14
8:45
#17779
30K
18.64 mi13:33:562:41:568:4128:45
9:15
#17892
20M
20.00 mi13:46:302:54:308:4312:34
9:15
#17879
21M
21.00 mi13:56:263:04:268:479:56
9:56
#17881
35K
21.75 mi14:03:103:11:108:476:44
9:00
#17886
23M
23.00 mi14:14:523:22:528:4911:42
9:21
#17891
24M
24.00 mi14:23:583:31:588:509:06
9:06
#17899
40K
24.85 mi14:31:483:39:488:517:50
9:10
#17860
25.2M
25.20 mi14:35:173:43:178:523:29
10:06
#17864
Finish
26.22 mi14:44:253:52:258:529:08
8:58
#17859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168235813581318023(Top 68%)6511(Top 57%)6511(Top 358%)
10K6.21 mi3.10 mi17502-6796227-4146227-41418241(Top 69%)6618(Top 58%)6618(Top 364%)
15K9.32 mi3.11 mi17678-1766325-986325-9818023(Top 68%)6511(Top 57%)6511(Top 358%)
20K12.43 mi3.11 mi17792-1146399-746399-7418262(Top 69%)6647(Top 58%)6647(Top 366%)
Half13.11 mi0.68 mi17827-356418-196418-1918498(Top 69%)6775(Top 59%)6775(Top 373%)
25K15.53 mi2.42 mi17779+486404+146404+1417714(Top 67%)6411(Top 56%)6411(Top 353%)
30K18.64 mi3.11 mi17892-1136500-966500-9618420(Top 69%)6875(Top 60%)6875(Top 378%)
20M20.00 mi1.36 mi17879+136511-116511-1117804(Top 67%)6638(Top 58%)6638(Top 365%)
21M21.00 mi1.00 mi17881-26521-106521-1017802(Top 67%)6641(Top 58%)6641(Top 365%)
35K21.75 mi0.75 mi17886-56532-116532-1117928(Top 67%)6796(Top 59%)6796(Top 374%)
23M23.00 mi1.25 mi17891-56551-196551-1917720(Top 67%)6701(Top 59%)6701(Top 369%)
24M24.00 mi1.00 mi17899-86564-136564-1317682(Top 66%)6733(Top 59%)6733(Top 371%)
40K24.85 mi0.85 mi17860+396545+196545+1916948(Top 64%)6372(Top 56%)6372(Top 351%)
25.2M25.20 mi0.35 mi17864-46550-56550-517810(Top 67%)6860(Top 60%)6860(Top 378%)
Finish26.22 mi1.02 mi17859+56564-146564-1417806(Top 67%)6810(Top 60%)6810(Top 375%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18023

Females

6511

F45-49

6511

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18241

Females

6618

F45-49

6618

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18023

Females

6511

F45-49

6511

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18262

Females

6647

F45-49

6647

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18498

Females

6775

F45-49

6775

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17714

Females

6411

F45-49

6411

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18420

Females

6875

F45-49

6875

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17804

Females

6638

F45-49

6638

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17802

Females

6641

F45-49

6641

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17928

Females

6796

F45-49

6796

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17720

Females

6701

F45-49

6701

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17682

Females

6733

F45-49

6733

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16948

Females

6372

F45-49

6372

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17810

Females

6860

F45-49

6860

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17806

Females

6810

F45-49

6810

Passing Analysis

Category:
Athletes Passed
1187
Passed By
2223
Net Change
-1036
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16823
5K → 10K102781-679#16823#17502
10K → 15K125301-176#17502#17678
15K → 20K124238-114#17678#17792
20K → Half2055-35#17792#17827
Half → 25K154106+48#17827#17779
25K → 30K147260-113#17779#17892
30K → 20M10592+13#17892#17879
20M → 21M7981-2#17879#17881
21M → 35K4651-5#17881#17886
35K → 23M8590-5#17886#17891
23M → 24M5260-8#17891#17899
24M → 40K6829+39#17899#17860
40K → 25.2M2226-4#17860#17864
25.2M → Finish5853+5#17864#17859
TOTALS11872223-1036
📊

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