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BOSTON MARATHON 2023

Tassia Reis

Bib: 12873•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #8943
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
46:02
Rank: #9248 (-305)
5K → 10K
23:00 | 7:24/mi
15K· 9.32 mi
1:09:10
Rank: #9366 (-118)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:33:10
Rank: #9810 (-444)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:38:25
Rank: #9915 (-105)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
1:57:14
Rank: #10024 (-109)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:24:01
Rank: #10969 (-945)
25K → 30K
26:47 | 8:37/mi
20M
2:35:56
Rank: #11337 (-368)
30K → 20M
11:55 | 8:46/mi
21M
2:45:06
Rank: #11535 (-198)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:51:28
Rank: #11713 (-178)
21M → 35K
6:22 | 8:31/mi
23M
3:01:36
Rank: #11613 (+100)
35K → 23M
10:08 | 8:06/mi
24M
3:09:55
Rank: #11697 (-84)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:16:58
Rank: #11686 (+11)
24M → 40K
7:03 | 8:15/mi
25.2M
3:20:13
Rank: #11740 (-54)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:28:35
Rank: #11814 (-74)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:25
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4623:027:2523:02
7:25
-
10K
6.21 mi11:13:4646:027:2523:00
7:24
-0:01
15K
9.32 mi11:36:541:09:107:2523:08
7:27
+0:03
20K
12.43 mi12:00:541:33:107:3024:00
7:43
+0:16
Half
13.11 mi12:06:091:38:257:305:15
7:42
-0:01
25K
15.53 mi12:24:581:57:147:3318:49
7:46
+0:04
30K
18.64 mi12:51:452:24:017:4426:47
8:37
+0:51
20M
20.00 mi13:03:402:35:567:4811:55
8:46
+0:09
21M
21.00 mi13:12:502:45:067:529:10
9:10
+0:24
35K
21.75 mi13:19:122:51:287:536:22
8:31
-0:39
23M
23.00 mi13:29:203:01:367:5410:08
8:06
-0:25
24M
24.00 mi13:37:393:09:557:558:19
8:19
+0:13
40K
24.85 mi13:44:423:16:587:557:03
8:15
-0:04
25.2M
25.20 mi13:47:573:20:137:573:15
9:25
+1:10
Finish
26.22 mi13:56:193:28:357:588:22
8:13
-1:12

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

7:24 /mi

Average Pace

7:58 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:14

56% of race

Time at Steady Pace

40:14

19% of race

Time at Slower Pace

51:07

25% of race

Average Pace: 7:57 /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 mi10:50:4623:027:2523:02
7:25
#8943
10K
6.21 mi11:13:4646:027:2523:00
7:24
#9248
15K
9.32 mi11:36:541:09:107:2523:08
7:27
#9366
20K
12.43 mi12:00:541:33:107:3024:00
7:43
#9810
Half
13.11 mi12:06:091:38:257:305:15
7:42
#9915
25K
15.53 mi12:24:581:57:147:3318:49
7:46
#10024
30K
18.64 mi12:51:452:24:017:4426:47
8:37
#10969
20M
20.00 mi13:03:402:35:567:4811:55
8:46
#11337
21M
21.00 mi13:12:502:45:067:529:10
9:10
#11535
35K
21.75 mi13:19:122:51:287:536:22
8:31
#11713
23M
23.00 mi13:29:203:01:367:5410:08
8:06
#11613
24M
24.00 mi13:37:393:09:557:558:19
8:19
#11697
40K
24.85 mi13:44:423:16:587:557:03
8:15
#11686
25.2M
25.20 mi13:47:573:20:137:573:15
9:25
#11740
Finish
26.22 mi13:56:193:28:357:588:22
8:13
#11814
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8943138113819752(Top 37%)1733(Top 15%)1733(Top 35%)
10K6.21 mi3.10 mi9248-3051517-1361517-1369671(Top 36%)1689(Top 15%)1689(Top 35%)
15K9.32 mi3.11 mi9366-1181566-491566-499752(Top 37%)1733(Top 15%)1733(Top 35%)
20K12.43 mi3.11 mi9810-4441760-1941760-19411124(Top 42%)2473(Top 22%)2473(Top 51%)
Half13.11 mi0.68 mi9915-1051801-411801-4111916(Top 45%)2868(Top 25%)2868(Top 59%)
25K15.53 mi2.42 mi10024-1091873-721873-7210817(Top 41%)2402(Top 21%)2402(Top 49%)
30K18.64 mi3.11 mi10969-9452388-5152388-51515039(Top 56%)4950(Top 43%)4950(Top 101%)
20M20.00 mi1.36 mi11337-3682618-2302618-23015255(Top 57%)5135(Top 45%)5135(Top 105%)
21M21.00 mi1.00 mi11535-1982754-1362754-13614304(Top 54%)4652(Top 41%)4652(Top 95%)
35K21.75 mi0.75 mi11713-1782863-1092863-10915385(Top 58%)5330(Top 47%)5330(Top 109%)
23M23.00 mi1.25 mi11613+1002834+292834+2910437(Top 39%)2731(Top 24%)2731(Top 56%)
24M24.00 mi1.00 mi11697-842895-612895-6113332(Top 50%)4290(Top 38%)4290(Top 88%)
40K24.85 mi0.85 mi11686+112912-172912-1711695(Top 44%)3507(Top 31%)3507(Top 72%)
25.2M25.20 mi0.35 mi11740-542957-452957-4514827(Top 56%)5185(Top 45%)5185(Top 106%)
Finish26.22 mi1.02 mi11814-743020-633020-6313512(Top 51%)4467(Top 39%)4467(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9752

Females

1733

F18-39

1733

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9671

Females

1689

F18-39

1689

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9752

Females

1733

F18-39

1733

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11124

Females

2473

F18-39

2473

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11916

Females

2868

F18-39

2868

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10817

Females

2402

F18-39

2402

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15039

Females

4950

F18-39

4950

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15255

Females

5135

F18-39

5135

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14304

Females

4652

F18-39

4652

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15385

Females

5330

F18-39

5330

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10437

Females

2731

F18-39

2731

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13332

Females

4290

F18-39

4290

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11695

Females

3507

F18-39

3507

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14827

Females

5185

F18-39

5185

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13512

Females

4467

F18-39

4467

Passing Analysis

Category:
Athletes Passed
838
Passed By
3707
Net Change
-2871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8943
5K → 10K148453-305#8943#9248
10K → 15K119237-118#9248#9366
15K → 20K49493-444#9366#9810
20K → Half5110-105#9810#9915
Half → 25K90197-109#9915#10024
25K → 30K26971-945#10024#10969
30K → 20M27395-368#10969#11337
20M → 21M38236-198#11337#11535
21M → 35K16194-178#11535#11713
35K → 23M14444+100#11713#11613
23M → 24M41125-84#11613#11697
24M → 40K6453+11#11697#11686
40K → 25.2M2074-54#11686#11740
25.2M → Finish51125-74#11740#11814
TOTALS8383707-2871
📊

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