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BOSTON MARATHON 2023

Thessaly Barnes

Bib: 24983•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:15
Rank: #22760
Start → 5K
30:15 | 9:44/mi
10K· 6.21 mi
1:00:39
Rank: #23076 (-316)
5K → 10K
30:24 | 9:47/mi
15K· 9.32 mi
1:33:13
Rank: #23609 (-533)
10K → 15K
32:34 | 10:29/mi
20K· 12.43 mi
2:04:36
Rank: #23478 (+131)
15K → 20K
31:23 | 10:06/mi
Half· 13.11 mi
2:12:03
Rank: #23571 (-93)
20K → Half
7:27 | 10:55/mi
25K· 15.53 mi
2:36:45
Rank: #23401 (+170)
Half → 25K
24:42 | 10:11/mi
30K· 18.64 mi
3:10:33
Rank: #23281 (+120)
25K → 30K
33:48 | 10:53/mi
20M
3:25:27
Rank: #23231 (+50)
30K → 20M
14:54 | 10:58/mi
21M
3:37:19
Rank: #23202 (+29)
20M → 21M
11:52 | 11:52/mi
35K· 21.75 mi
3:45:05
Rank: #23149 (+53)
21M → 35K
7:46 | 10:23/mi
23M
3:59:05
Rank: #23132 (+17)
35K → 23M
14:00 | 11:11/mi
24M
4:10:03
Rank: #23127 (+5)
23M → 24M
10:58 | 10:58/mi
40K· 24.85 mi
4:20:07
Rank: #23134 (-7)
24M → 40K
10:04 | 11:46/mi
25.2M
4:24:17
Rank: #23127 (+7)
40K → 25.2M
4:10 | 12:05/mi
Finish· 26.22 mi
4:34:48
Rank: #23096 (+31)
25.2M → Finish
10:31 | 10:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:03
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time2:22:45
Pace10:53 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4030:159:4430:15
9:44
-
10K
6.21 mi12:16:041:00:399:4630:24
9:47
+0:03
15K
9.32 mi12:48:381:33:1310:0032:34
10:29
+0:42
20K
12.43 mi13:20:012:04:3610:0231:23
10:06
-0:23
Half
13.11 mi13:27:282:12:0310:047:27
10:55
+0:49
25K
15.53 mi13:52:102:36:4510:0524:42
10:11
-0:44
30K
18.64 mi14:25:583:10:3310:1333:48
10:53
+0:42
20M
20.00 mi14:40:523:25:2710:1614:54
10:58
+0:05
21M
21.00 mi14:52:443:37:1910:2111:52
11:52
+0:54
35K
21.75 mi15:00:303:45:0510:217:46
10:23
-1:29
23M
23.00 mi15:14:303:59:0510:2414:00
11:11
+0:48
24M
24.00 mi15:25:284:10:0310:2510:58
10:58
-0:13
40K
24.85 mi15:35:324:20:0710:2810:04
11:46
+0:48
25.2M
25.20 mi15:39:424:24:1710:294:10
12:05
+0:19
Finish
26.22 mi15:50:134:34:4810:2910:31
10:19
-1:46

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

9:44 /mi

Average Pace

10:29 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:35

61% of race

Time at Steady Pace

1:21:07

30% of race

Time at Slower Pace

26:06

9% of race

Average Pace: 10:29 /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 mi11:45:4030:159:4430:15
9:44
#22760
10K
6.21 mi12:16:041:00:399:4630:24
9:47
#23076
15K
9.32 mi12:48:381:33:1310:0032:34
10:29
#23609
20K
12.43 mi13:20:012:04:3610:0231:23
10:06
#23478
Half
13.11 mi13:27:282:12:0310:047:27
10:55
#23571
25K
15.53 mi13:52:102:36:4510:0524:42
10:11
#23401
30K
18.64 mi14:25:583:10:3310:1333:48
10:53
#23281
20M
20.00 mi14:40:523:25:2710:1614:54
10:58
#23231
21M
21.00 mi14:52:443:37:1910:2111:52
11:52
#23202
35K
21.75 mi15:00:303:45:0510:217:46
10:23
#23149
23M
23.00 mi15:14:303:59:0510:2414:00
11:11
#23132
24M
24.00 mi15:25:284:10:0310:2510:58
10:58
#23127
40K
24.85 mi15:35:324:20:0710:2810:04
11:46
#23134
25.2M
25.20 mi15:39:424:24:1710:294:10
12:05
#23127
Finish
26.22 mi15:50:134:34:4810:2910:31
10:19
#23096
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi227609263926324426(Top 92%)10136(Top 89%)10136(Top 540%)
10K6.21 mi3.10 mi23076-3169404-1419404-14123243(Top 87%)9473(Top 83%)9473(Top 504%)
15K9.32 mi3.11 mi23609-5339677-2739677-27324426(Top 92%)10136(Top 89%)10136(Top 540%)
20K12.43 mi3.11 mi23478+1319588+899588+8923117(Top 87%)9411(Top 82%)9411(Top 501%)
Half13.11 mi0.68 mi23571-939646-589646-5824832(Top 93%)10398(Top 91%)10398(Top 554%)
25K15.53 mi2.42 mi23401+1709566+809566+8022589(Top 85%)9168(Top 80%)9168(Top 488%)
30K18.64 mi3.11 mi23281+1209526+409526+4022915(Top 86%)9418(Top 82%)9418(Top 501%)
20M20.00 mi1.36 mi23231+509518+89518+822654(Top 85%)9336(Top 82%)9336(Top 497%)
21M21.00 mi1.00 mi23202+299509+99509+922531(Top 85%)9298(Top 81%)9298(Top 495%)
35K21.75 mi0.75 mi23149+539496+139496+1322172(Top 83%)9149(Top 80%)9149(Top 487%)
23M23.00 mi1.25 mi23132+179489+79489+722700(Top 85%)9435(Top 83%)9435(Top 502%)
24M24.00 mi1.00 mi23127+59492-39492-322998(Top 86%)9633(Top 84%)9633(Top 513%)
40K24.85 mi0.85 mi23134-79511-199511-1923609(Top 89%)9998(Top 88%)9998(Top 532%)
25.2M25.20 mi0.35 mi23127+79512-19512-122671(Top 85%)9489(Top 83%)9489(Top 505%)
Finish26.22 mi1.02 mi23096+319498+149498+1422621(Top 85%)9458(Top 83%)9458(Top 504%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24426

Females

10136

F40-44

10136

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23243

Females

9473

F40-44

9473

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24426

Females

10136

F40-44

10136

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23117

Females

9411

F40-44

9411

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24832

Females

10398

F40-44

10398

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22589

Females

9168

F40-44

9168

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22915

Females

9418

F40-44

9418

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22654

Females

9336

F40-44

9336

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22531

Females

9298

F40-44

9298

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22172

Females

9149

F40-44

9149

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22700

Females

9435

F40-44

9435

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22998

Females

9633

F40-44

9633

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23609

Females

9998

F40-44

9998

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22671

Females

9489

F40-44

9489

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22621

Females

9458

F40-44

9458

Passing Analysis

Category:
Athletes Passed
1102
Passed By
1438
Net Change
-336
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22760
5K → 10K111427-316#22760#23076
10K → 15K20553-533#23076#23609
15K → 20K19160+131#23609#23478
20K → Half11104-93#23478#23571
Half → 25K19222+170#23571#23401
25K → 30K17656+120#23401#23281
30K → 20M8535+50#23281#23231
20M → 21M5526+29#23231#23202
21M → 35K607+53#23202#23149
35K → 23M5437+17#23149#23132
23M → 24M3732+5#23132#23127
24M → 40K4249-7#23127#23134
40K → 25.2M1811+7#23134#23127
25.2M → Finish5019+31#23127#23096
TOTALS11021438-336
📊

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