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BOSTON MARATHON 2023

Sonia Grutzius

Bib: 14063•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:42
Rank: #13657
Start → 5K
24:42 | 7:57/mi
10K· 6.21 mi
49:11
Rank: #13709 (-52)
5K → 10K
24:29 | 7:53/mi
15K· 9.32 mi
1:13:45
Rank: #13684 (+25)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:38:41
Rank: #13625 (+59)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:44:09
Rank: #13661 (-36)
20K → Half
5:28 | 8:00/mi
25K· 15.53 mi
2:03:33
Rank: #13495 (+166)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:29:40
Rank: #13503 (-8)
25K → 30K
26:07 | 8:24/mi
20M
2:41:15
Rank: #13533 (-30)
30K → 20M
11:35 | 8:31/mi
21M
2:50:29
Rank: #13597 (-64)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
2:56:33
Rank: #13552 (+45)
21M → 35K
6:04 | 8:07/mi
23M
3:07:19
Rank: #13552
35K → 23M
10:46 | 8:36/mi
24M
3:15:30
Rank: #13469 (+83)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:22:56
Rank: #13495 (-26)
24M → 40K
7:26 | 8:42/mi
25.2M
3:26:14
Rank: #13528 (-33)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:34:52
Rank: #13595 (-67)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:09
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4224:427:5724:42
7:57
-
10K
6.21 mi11:19:1149:117:5524:29
7:53
-0:04
15K
9.32 mi11:43:451:13:457:5524:34
7:54
+0:01
20K
12.43 mi12:08:411:38:417:5624:56
8:02
+0:08
Half
13.11 mi12:14:091:44:097:575:28
8:00
-0:02
25K
15.53 mi12:33:332:03:337:5719:24
8:00
0:00
30K
18.64 mi12:59:402:29:408:0226:07
8:24
+0:24
20M
20.00 mi13:11:152:41:158:0411:35
8:31
+0:07
21M
21.00 mi13:20:292:50:298:079:14
9:14
+0:43
35K
21.75 mi13:26:332:56:338:076:04
8:07
-1:07
23M
23.00 mi13:37:193:07:198:0910:46
8:36
+0:29
24M
24.00 mi13:45:303:15:308:098:11
8:11
-0:25
40K
24.85 mi13:52:563:22:568:107:26
8:42
+0:31
25.2M
25.20 mi13:56:143:26:148:113:18
9:34
+0:52
Finish
26.22 mi14:04:523:34:528:128:38
8:28
-1:06

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

7:53 /mi

Average Pace

8:12 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:03

23% of race

Time at Steady Pace

1:54:52

53% of race

Time at Slower Pace

50:57

24% of race

Average Pace: 8:12 /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 mi10:54:4224:427:5724:42
7:57
#13657
10K
6.21 mi11:19:1149:117:5524:29
7:53
#13709
15K
9.32 mi11:43:451:13:457:5524:34
7:54
#13684
20K
12.43 mi12:08:411:38:417:5624:56
8:02
#13625
Half
13.11 mi12:14:091:44:097:575:28
8:00
#13661
25K
15.53 mi12:33:332:03:337:5719:24
8:00
#13495
30K
18.64 mi12:59:402:29:408:0226:07
8:24
#13503
20M
20.00 mi13:11:152:41:158:0411:35
8:31
#13533
21M
21.00 mi13:20:292:50:298:079:14
9:14
#13597
35K
21.75 mi13:26:332:56:338:076:04
8:07
#13552
23M
23.00 mi13:37:193:07:198:0910:46
8:36
#13552
24M
24.00 mi13:45:303:15:308:098:11
8:11
#13469
40K
24.85 mi13:52:563:22:568:107:26
8:42
#13495
25.2M
25.20 mi13:56:143:26:148:113:18
9:34
#13528
Finish
26.22 mi14:04:523:34:528:128:38
8:28
#13595
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136573820382013639(Top 51%)3863(Top 34%)3863(Top 79%)
10K6.21 mi3.10 mi13709-523870-503870-5013823(Top 52%)3939(Top 34%)3939(Top 81%)
15K9.32 mi3.11 mi13684+253873-33873-313639(Top 51%)3863(Top 34%)3863(Top 79%)
20K12.43 mi3.11 mi13625+593863+103863+1013664(Top 51%)3914(Top 34%)3914(Top 80%)
Half13.11 mi0.68 mi13661-363887-243887-2414400(Top 54%)4342(Top 38%)4342(Top 89%)
25K15.53 mi2.42 mi13495+1663804+833804+8312790(Top 48%)3524(Top 31%)3524(Top 72%)
30K18.64 mi3.11 mi13503-83842-383842-3813743(Top 52%)4177(Top 37%)4177(Top 86%)
20M20.00 mi1.36 mi13533-303879-373879-3713780(Top 52%)4279(Top 37%)4279(Top 88%)
21M21.00 mi1.00 mi13597-643933-543933-5414651(Top 55%)4844(Top 42%)4844(Top 99%)
35K21.75 mi0.75 mi13552+453916+173916+1712888(Top 48%)3941(Top 35%)3941(Top 81%)
23M23.00 mi1.25 mi135523947-313947-3113798(Top 52%)4503(Top 39%)4503(Top 92%)
24M24.00 mi1.00 mi13469+833922+253922+2512513(Top 47%)3868(Top 34%)3868(Top 79%)
40K24.85 mi0.85 mi13495-263957-353957-3514481(Top 54%)5011(Top 44%)5011(Top 103%)
25.2M25.20 mi0.35 mi13528-333986-293986-2915514(Top 58%)5575(Top 49%)5575(Top 114%)
Finish26.22 mi1.02 mi13595-674045-594045-5915246(Top 57%)5389(Top 47%)5389(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13639

Females

3863

F18-39

3863

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13823

Females

3939

F18-39

3939

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13639

Females

3863

F18-39

3863

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13664

Females

3914

F18-39

3914

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14400

Females

4342

F18-39

4342

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12790

Females

3524

F18-39

3524

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13743

Females

4177

F18-39

4177

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13780

Females

4279

F18-39

4279

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14651

Females

4844

F18-39

4844

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12888

Females

3941

F18-39

3941

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13798

Females

4503

F18-39

4503

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12513

Females

3868

F18-39

3868

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14481

Females

5011

F18-39

5011

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15514

Females

5575

F18-39

5575

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15246

Females

5389

F18-39

5389

Passing Analysis

Category:
Athletes Passed
1647
Passed By
1585
Net Change
+62
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13657
5K → 10K271323-52#13657#13709
10K → 15K194169+25#13709#13684
15K → 20K200141+59#13684#13625
20K → Half1551-36#13625#13661
Half → 25K21347+166#13661#13495
25K → 30K195203-8#13495#13503
30K → 20M80110-30#13503#13533
20M → 21M69133-64#13533#13597
21M → 35K7833+45#13597#13552
35K → 23M89890#13552#13552
23M → 24M11431+83#13552#13469
24M → 40K5379-26#13469#13495
40K → 25.2M2255-33#13495#13528
25.2M → Finish54121-67#13528#13595
TOTALS16471585+62
📊

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