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BOSTON MARATHON 2023

Tara Gleich

Bib: 20502•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F50-54)
#0 / 1207
Top 41%
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
8:07/mi
25:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:14:58
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:42:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:47:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:54/mi
2:09:19
↑ 66↓ 880.2%
30K· 18.64 mi
9:28/mi
2:38:45
↑ 181↓ 1480.2%
20M
9:16/mi
2:51:21
↑ 64↓ 500.2%
21M
10:30/mi
3:01:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:08:21
↑ 17↓ 861.7%
23M
9:11/mi
3:19:51
↑ 23↓ 630.6%
24M
8:53/mi
3:28:44
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:36:48
↓ 200.3%
25.2M
10:55/mi
3:40:34
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
3:49:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:44
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:02:14
Pace9:19 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2125:138:0725:13
8:07
-
10K
6.21 mi11:41:4749:397:5924:26
7:52
-0:15
15K
9.32 mi12:07:061:14:588:0325:19
8:09
+0:17
20K
12.43 mi12:34:121:42:048:1327:06
8:43
+0:34
Half
13.11 mi12:39:521:47:448:135:40
8:18
-0:25
25K
15.53 mi13:01:272:09:198:1921:35
8:54
+0:36
30K
18.64 mi13:30:532:38:458:3129:26
9:28
+0:34
20M
20.00 mi13:43:292:51:218:3412:36
9:16
-0:12
21M
21.00 mi13:53:593:01:518:4010:30
10:30
+1:14
35K
21.75 mi14:00:293:08:218:406:30
8:41
-1:49
23M
23.00 mi14:11:593:19:518:4111:30
9:11
+0:30
24M
24.00 mi14:20:523:28:448:428:53
8:53
-0:18
40K
24.85 mi14:28:563:36:488:438:04
9:26
+0:33
25.2M
25.20 mi14:32:423:40:348:453:46
10:55
+1:29
Finish
26.22 mi14:42:063:49:588:479:24
9:13
-1:42

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

7:52 /mi

Average Pace

8:47 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:38

35% of race

Time at Steady Pace

1:37:34

42% of race

Time at Slower Pace

51:46

23% of race

Average Pace: 8:46 /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 mi11:17:2125:138:0725:13
8:07
#14858
10K
6.21 mi11:41:4749:397:5924:26
7:52
#14332
15K
9.32 mi12:07:061:14:588:0325:19
8:09
#14692
20K
12.43 mi12:34:121:42:048:1327:06
8:43
#15663
Half
13.11 mi12:39:521:47:448:135:40
8:18
#15702
25K
15.53 mi13:01:272:09:198:1921:35
8:54
#16217
30K
18.64 mi13:30:532:38:458:3129:26
9:28
#16867
20M
20.00 mi13:43:292:51:218:3412:36
9:16
#16935
21M
21.00 mi13:53:593:01:518:4010:30
10:30
#17153
35K
21.75 mi14:00:293:08:218:406:30
8:41
#17123
23M
23.00 mi14:11:593:19:518:4111:30
9:11
#17104
24M
24.00 mi14:20:523:28:448:428:53
8:53
#17075
40K
24.85 mi14:28:563:36:488:438:04
9:26
#17133
25.2M
25.20 mi14:32:423:40:348:453:46
10:55
#17222
Finish
26.22 mi14:42:063:49:588:479:24
9:13
#17338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi148584554455415512(Top 58%)4993(Top 44%)4993(Top 414%)
10K6.21 mi3.10 mi14332+5264249+3054249+30513706(Top 51%)3866(Top 34%)3866(Top 320%)
15K9.32 mi3.11 mi14692-3604471-2224471-22215512(Top 58%)4993(Top 44%)4993(Top 414%)
20K12.43 mi3.11 mi15663-9715095-6245095-62418257(Top 69%)6642(Top 58%)6642(Top 550%)
Half13.11 mi0.68 mi15702-395125-305125-3016580(Top 62%)5663(Top 50%)5663(Top 469%)
25K15.53 mi2.42 mi16217-5155467-3425467-34218465(Top 69%)6822(Top 60%)6822(Top 565%)
30K18.64 mi3.11 mi16867-6505880-4135880-41319335(Top 73%)7381(Top 65%)7381(Top 612%)
20M20.00 mi1.36 mi16935-685932-525932-5217894(Top 67%)6685(Top 59%)6685(Top 554%)
21M21.00 mi1.00 mi17153-2186081-1496081-14919602(Top 74%)7700(Top 67%)7700(Top 638%)
35K21.75 mi0.75 mi17123+306069+126069+1216380(Top 62%)5929(Top 52%)5929(Top 491%)
23M23.00 mi1.25 mi17104+196080-116080-1116996(Top 64%)6288(Top 55%)6288(Top 521%)
24M24.00 mi1.00 mi17075+296088-86088-816705(Top 63%)6199(Top 54%)6199(Top 514%)
40K24.85 mi0.85 mi17133-586135-476135-4718110(Top 68%)6996(Top 61%)6996(Top 580%)
25.2M25.20 mi0.35 mi17222-896194-596194-5920283(Top 76%)8196(Top 72%)8196(Top 679%)
Finish26.22 mi1.02 mi17338-1166267-736267-7319036(Top 72%)7452(Top 65%)7452(Top 617%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15512

Females

4993

F50-54

4993

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13706

Females

3866

F50-54

3866

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15512

Females

4993

F50-54

4993

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18257

Females

6642

F50-54

6642

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16580

Females

5663

F50-54

5663

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18465

Females

6822

F50-54

6822

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19335

Females

7381

F50-54

7381

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17894

Females

6685

F50-54

6685

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19602

Females

7700

F50-54

7700

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16380

Females

5929

F50-54

5929

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16996

Females

6288

F50-54

6288

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16705

Females

6199

F50-54

6199

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18110

Females

6996

F50-54

6996

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20283

Females

8196

F50-54

8196

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19036

Females

7452

F50-54

7452

Passing Analysis

Category:
Athletes Passed
1263
Passed By
3743
Net Change
-2480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14858
5K → 10K633107+526#14858#14332
10K → 15K89449-360#14332#14692
15K → 20K331004-971#14692#15663
20K → Half1554-39#15663#15702
Half → 25K47562-515#15702#16217
25K → 30K55705-650#16217#16867
30K → 20M54122-68#16867#16935
20M → 21M35253-218#16935#17153
21M → 35K5828+30#17153#17123
35K → 23M9374+19#17123#17104
23M → 24M7950+29#17104#17075
24M → 40K3593-58#17075#17133
40K → 25.2M1099-89#17133#17222
25.2M → Finish27143-116#17222#17338
TOTALS12633743-2480
📊

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