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BOSTON MARATHON 2023

Katie Tommila

Bib: 12471•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:12:35
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:37:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:43:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:03:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:32:48
↑ 181↓ 1480.2%
20M
11:26/mi
2:48:20
↑ 64↓ 500.2%
21M
10:40/mi
2:59:00
↑ 106↓ 241.6%
35K· 21.75 mi
10:14/mi
3:06:39
↑ 17↓ 861.7%
23M
10:41/mi
3:20:01
↑ 23↓ 630.6%
24M
11:08/mi
3:31:09
↓ 821.3%
40K· 24.85 mi
11:05/mi
3:40:38
↓ 200.3%
25.2M
13:26/mi
3:45:16
↑ 13↓ 160.2%
Finish· 26.22 mi
10:50/mi
3:56:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:21
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time2:12:57
Pace10:09 /mi
📊Positive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3424:097:4624:09
7:46
-
10K
6.21 mi11:38:3848:137:4624:04
7:45
-0:01
15K
9.32 mi12:03:001:12:357:4724:22
7:51
+0:06
20K
12.43 mi12:28:161:37:517:5225:16
8:08
+0:17
Half
13.11 mi12:33:461:43:217:535:30
8:04
-0:04
25K
15.53 mi12:53:572:03:327:5720:11
8:19
+0:15
30K
18.64 mi13:23:132:32:488:1229:16
9:25
+1:06
20M
20.00 mi13:38:452:48:208:2515:32
11:26
+2:01
21M
21.00 mi13:49:252:59:008:3110:40
10:40
-0:46
35K
21.75 mi13:57:043:06:398:357:39
10:14
-0:26
23M
23.00 mi14:10:263:20:018:4213:22
10:41
+0:27
24M
24.00 mi14:21:343:31:098:4811:08
11:08
+0:27
40K
24.85 mi14:31:033:40:388:539:29
11:05
-0:03
25.2M
25.20 mi14:35:413:45:168:564:38
13:26
+2:21
Finish
26.22 mi14:46:433:56:189:0111:02
10:50
-2:36

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

7:45 /mi

Average Pace

9:01 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:32

52% of race

Time at Steady Pace

1:11:59

30% of race

Time at Slower Pace

40:47

17% of race

Average Pace: 9:01 /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 mi11:14:3424:097:4624:09
7:46
#12135
10K
6.21 mi11:38:3848:137:4624:04
7:45
#12366
15K
9.32 mi12:03:001:12:357:4724:22
7:51
#12561
20K
12.43 mi12:28:161:37:517:5225:16
8:08
#13078
Half
13.11 mi12:33:461:43:217:535:30
8:04
#13181
25K
15.53 mi12:53:572:03:327:5720:11
8:19
#13489
30K
18.64 mi13:23:132:32:488:1229:16
9:25
#14791
20M
20.00 mi13:38:452:48:208:2515:32
11:26
#16015
21M
21.00 mi13:49:252:59:008:3110:40
10:40
#16341
35K
21.75 mi13:57:043:06:398:357:39
10:14
#16660
23M
23.00 mi14:10:263:20:018:4213:22
10:41
#17147
24M
24.00 mi14:21:343:31:098:4811:08
11:08
#17699
40K
24.85 mi14:31:033:40:388:539:29
11:05
#18034
25.2M
25.20 mi14:35:413:45:168:564:38
13:26
#18268
Finish
26.22 mi14:46:433:56:189:0111:02
10:50
#18619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121352948294813092(Top 49%)3536(Top 31%)3536(Top 72%)
10K6.21 mi3.10 mi12366-2313083-1353083-13512671(Top 48%)3247(Top 28%)3247(Top 66%)
15K9.32 mi3.11 mi12561-1953212-1293212-12913092(Top 49%)3536(Top 31%)3536(Top 72%)
20K12.43 mi3.11 mi13078-5173530-3183530-31814484(Top 54%)4397(Top 38%)4397(Top 90%)
Half13.11 mi0.68 mi13181-1033596-663596-6614957(Top 56%)4677(Top 41%)4677(Top 96%)
25K15.53 mi2.42 mi13489-3083800-2043800-20415124(Top 57%)4929(Top 43%)4929(Top 101%)
30K18.64 mi3.11 mi14791-13024612-8124612-81219132(Top 72%)7267(Top 64%)7267(Top 149%)
20M20.00 mi1.36 mi16015-12245401-7895401-78923410(Top 88%)9738(Top 85%)9738(Top 199%)
21M21.00 mi1.00 mi16341-3265621-2205621-22020066(Top 75%)7964(Top 70%)7964(Top 163%)
35K21.75 mi0.75 mi16660-3195803-1825803-18221836(Top 82%)8952(Top 78%)8952(Top 183%)
23M23.00 mi1.25 mi17147-4876102-2996102-29921705(Top 82%)8907(Top 78%)8907(Top 182%)
24M24.00 mi1.00 mi17699-5526452-3506452-35023295(Top 88%)9793(Top 86%)9793(Top 201%)
40K24.85 mi0.85 mi18034-3356660-2086660-20822542(Top 85%)9414(Top 82%)9414(Top 193%)
25.2M25.20 mi0.35 mi18268-2346799-1396799-13924456(Top 92%)10405(Top 91%)10405(Top 213%)
Finish26.22 mi1.02 mi18619-3517002-2037002-20323655(Top 89%)9984(Top 87%)9984(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13092

Females

3536

F18-39

3536

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12671

Females

3247

F18-39

3247

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13092

Females

3536

F18-39

3536

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14484

Females

4397

F18-39

4397

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14957

Females

4677

F18-39

4677

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15124

Females

4929

F18-39

4929

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19132

Females

7267

F18-39

7267

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23410

Females

9738

F18-39

9738

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

20066

Females

7964

F18-39

7964

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21836

Females

8952

F18-39

8952

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21705

Females

8907

F18-39

8907

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23295

Females

9793

F18-39

9793

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22542

Females

9414

F18-39

9414

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24456

Females

10405

F18-39

10405

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23655

Females

9984

F18-39

9984

Passing Analysis

Category:
Athletes Passed
576
Passed By
7060
Net Change
-6484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12135
5K → 10K212443-231#12135#12366
10K → 15K127322-195#12366#12561
15K → 20K61578-517#12561#13078
20K → Half10113-103#13078#13181
Half → 25K75383-308#13181#13489
25K → 30K151317-1302#13489#14791
30K → 20M51229-1224#14791#16015
20M → 21M21347-326#16015#16341
21M → 35K9328-319#16341#16660
35K → 23M17504-487#16660#17147
23M → 24M8560-552#17147#17699
24M → 40K8343-335#17699#18034
40K → 25.2M3237-234#18034#18268
25.2M → Finish5356-351#18268#18619
TOTALS5767060-6484
📊

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