Grace Hilzen

Bib: 15856β€’F

NJ

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 28%
Gender (Female)
#0 / 12578
Top 11%
Age Group (F18-39)
#0 / 5716
Top 21%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:30
3.11 mi
Rank: #10560
Start β†’ 5K
22:30 | 7:15/mi
10K
44:44
6.21 mi
Rank: #10191 (+369)
5K β†’ 10K
22:14 | 7:10/mi
15K
1:07:11
9.32 mi
Rank: #10225 (-34)
10K β†’ 15K
22:27 | 7:14/mi
20K
1:29:41
12.43 mi
Rank: #10044 (+181)
15K β†’ 20K
22:30 | 7:15/mi
HALF
1:34:30
13.11 mi
Rank: #9980 (+64)
20K β†’ HALF
4:49 | 7:04/mi
25K
1:52:05
15.53 mi
Rank: #9856 (+124)
HALF β†’ 25K
17:35 | 7:16/mi
30K
2:14:29
18.64 mi
Rank: #9368 (+488)
25K β†’ 30K
22:24 | 7:13/mi
20M
2:24:18
20.00 mi
Rank: #9146 (+222)
30K β†’ 20M
9:49 | 7:14/mi
21M
2:31:46
21.00 mi
Rank: #8945 (+201)
20M β†’ 21M
7:28 | 7:28/mi
35K
2:36:49
21.75 mi
Rank: #8768 (+177)
21M β†’ 35K
5:03 | 6:46/mi
23M
2:45:42
23.00 mi
Rank: #8550 (+218)
35K β†’ 23M
8:53 | 7:06/mi
24M
2:52:44
24.00 mi
Rank: #8427 (+123)
23M β†’ 24M
7:02 | 7:02/mi
40K
2:58:48
24.85 mi
Rank: #8310 (+117)
24M β†’ 40K
6:04 | 7:06/mi
25.2M
3:01:28
25.20 mi
Rank: #8263 (+47)
40K β†’ 25.2M
2:40 | 7:44/mi
FINISH
3:08:21
26.22 mi
Rank: #8118 (+145)
25.2M β†’ FINISH
6:53 | 6:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:34:30
Pace7:13 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:33:51
Pace7:10 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2822:307:1522:30
7:15
-
10K
6.21 mi11:16:4244:447:1222:14
7:10
-0:05
15K
9.32 mi11:39:091:07:117:1322:27
7:14
+0:04
20K
12.43 mi12:01:391:29:417:1322:30
7:15
+0:01
HALF
13.11 mi12:06:281:34:307:134:49
7:04
-0:11
25K
15.53 mi12:24:031:52:057:1317:35
7:16
+0:12
30K
18.64 mi12:46:272:14:297:1322:24
7:13
-0:03
20M
20.00 mi12:56:162:24:187:139:49
7:14
+0:01
21M
21.00 mi13:03:442:31:467:147:28
7:28
+0:14
35K
21.75 mi13:08:472:36:497:135:03
6:46
-0:42
23M
23.00 mi13:17:402:45:427:138:53
7:06
+0:20
24M
24.00 mi13:24:422:52:447:127:02
7:02
-0:04
40K
24.85 mi13:30:462:58:487:126:04
7:06
+0:04
25.2M
25.20 mi13:33:263:01:287:132:40
7:44
+0:38
FINISH
26.22 mi13:40:193:08:217:126:53
6:46
-0:58

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:46 /mi

Average Pace

7:11 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:58:13

95% of race

Time at Steady Pace

10:08

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:2822:307:1522:30
7:15
#10560
10K
6.21 mi11:16:4244:447:1222:14
7:10
#10191
15K
9.32 mi11:39:091:07:117:1322:27
7:14
#10225
20K
12.43 mi12:01:391:29:417:1322:30
7:15
#10044
HALF
13.11 mi12:06:281:34:307:134:49
7:04
#9980
25K
15.53 mi12:24:031:52:057:1317:35
7:16
#9856
30K
18.64 mi12:46:272:14:297:1322:24
7:13
#9368
20M
20.00 mi12:56:162:24:187:139:49
7:14
#9146
21M
21.00 mi13:03:442:31:467:147:28
7:28
#8945
35K
21.75 mi13:08:472:36:497:135:03
6:46
#8768
23M
23.00 mi13:17:402:45:427:138:53
7:06
#8550
24M
24.00 mi13:24:422:52:447:127:02
7:02
#8427
40K
24.85 mi13:30:462:58:487:126:04
7:06
#8310
25.2M
25.20 mi13:33:263:01:287:132:40
7:44
#8263
FINISH
26.22 mi13:40:193:08:217:126:53
6:46
#8118
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi105602163216310339(Top 36%)2125(Top 17%)2125(Top 37%)
10K6.21 mi3.10 mi10191+3691986+1771986+1779877(Top 34%)1848(Top 15%)1848(Top 32%)
15K9.32 mi3.11 mi10225-342023-372023-3710339(Top 36%)2125(Top 17%)2125(Top 37%)
20K12.43 mi3.11 mi10044+1811966+571966+579693(Top 33%)1886(Top 15%)1886(Top 33%)
HALF13.11 mi0.68 mi9980+641938+281938+289212(Top 32%)1593(Top 13%)1593(Top 28%)
25K15.53 mi2.42 mi9856+1241898+401898+409311(Top 32%)1783(Top 14%)1783(Top 31%)
30K18.64 mi3.11 mi9368+4881720+1781720+1787486(Top 26%)1169(Top 9%)1169(Top 20%)
20M20.00 mi1.36 mi9146+2221655+651655+657195(Top 25%)1154(Top 9%)1154(Top 20%)
21M21.00 mi1.00 mi8945+2011586+691586+696302(Top 22%)967(Top 8%)967(Top 17%)
35K21.75 mi0.75 mi8768+1771536+501536+505383(Top 19%)660(Top 5%)660(Top 12%)
23M23.00 mi1.25 mi8550+2181475+611475+616155(Top 21%)938(Top 7%)938(Top 16%)
24M24.00 mi1.00 mi8427+1231455+201455+206741(Top 23%)1196(Top 10%)1196(Top 21%)
40K24.85 mi0.85 mi8310+1171428+271428+276139(Top 21%)1045(Top 8%)1045(Top 18%)
25.2M25.20 mi0.35 mi8263+471425+31425+36712(Top 23%)1307(Top 10%)1307(Top 23%)
FINISH26.22 mi1.02 mi8118+1451388+371388+375850(Top 20%)1060(Top 8%)1060(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
Γ—21
+97ft-345ft

Overall

10339

Females

2125

F18-39

2125

5K→10K

3.1 - 6.2 mi

Top 34%
Γ—5
+79ft-138ft

Overall

9877

Females

1848

F18-39

1848

10K→15K

6.2 - 9.3 mi

Top 36%
Γ—3
+67ft-78ft

Overall

10339

Females

2125

F18-39

2125

15K→20K

9.3 - 12.4 mi

Top 33%
Γ—5
+106ft-86ft

Overall

9693

Females

1886

F18-39

1886

20K→HALF

12.4 - 13.1 mi

Top 32%
Γ—2
+19ft-37ft

Overall

9212

Females

1593

F18-39

1593

HALF→25K

13.1 - 15.5 mi

Top 32%
Γ—4
+66ft-88ft

Overall

9311

Females

1783

F18-39

1783

25K→30K

15.5 - 18.6 mi

Top 26%
Γ—9
+181ft-148ft

Overall

7486

Females

1169

F18-39

1169

30K→20M

18.6 - 20.0 mi

Top 25%
Γ—5
+64ft-50ft

Overall

7195

Females

1154

F18-39

1154

20M→21M

20.0 - 21.0 mi

Top 22%
Γ—8
+106ft-24ft

Overall

6302

Females

967

F18-39

967

21M→35K

21.0 - 21.8 mi

Top 19%
Γ—7
+17ft-86ft

Overall

5383

Females

660

F18-39

660

35K→23M

21.8 - 23.0 mi

Top 21%
Γ—5
+23ft-63ft

Overall

6155

Females

938

F18-39

938

23M→24M

23.0 - 24.0 mi

Top 23%
Γ—6
+12ft-82ft

Overall

6741

Females

1196

F18-39

1196

24M→40K

24.0 - 24.9 mi

Top 21%
Γ—1
+6ft-20ft

Overall

6139

Females

1045

F18-39

1045

40K→25.2M

24.9 - 25.2 mi

Top 23%
Γ—1
+13ft-16ft

Overall

6712

Females

1307

F18-39

1307

25.2M→FINISH

25.2 - 26.2 mi

Top 20%
Γ—2
+22ft-21ft

Overall

5850

Females

1060

F18-39

1060

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 3 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing