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BOSTON MARATHON 2025

Jacy Christiansen

Bib: 10582•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
6:48/mi
21:08
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
41:35
↑ 79↓ 1380.4%
15K· 9.32 mi
6:37/mi
1:02:09
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:23:04
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:27:32
↑ 19↓ 370.5%
25K· 15.53 mi
6:34/mi
1:43:28
↑ 66↓ 880.2%
30K· 18.64 mi
6:44/mi
2:04:23
↑ 181↓ 1480.2%
20M
6:49/mi
2:13:39
↑ 64↓ 500.2%
21M
7:16/mi
2:20:55
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:25:55
↑ 17↓ 861.7%
23M
7:09/mi
2:34:52
↑ 23↓ 630.6%
24M
6:43/mi
2:41:35
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:47:31
↓ 200.3%
25.2M
7:44/mi
2:50:11
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
2:57:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:32
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0021:086:4821:08
6:48
-
10K
6.21 mi11:07:2741:356:4220:27
6:35
-0:13
15K
9.32 mi11:28:011:02:096:4020:34
6:37
+0:02
20K
12.43 mi11:48:561:23:046:4120:55
6:44
+0:07
Half
13.11 mi11:53:241:27:326:414:28
6:33
-0:11
25K
15.53 mi12:09:201:43:286:4015:56
6:34
+0:01
30K
18.64 mi12:30:152:04:236:4020:55
6:44
+0:10
20M
20.00 mi12:39:312:13:396:419:16
6:49
+0:05
21M
21.00 mi12:46:472:20:556:437:16
7:16
+0:27
35K
21.75 mi12:51:472:25:556:435:00
6:41
-0:35
23M
23.00 mi13:00:442:34:526:448:57
7:09
+0:28
24M
24.00 mi13:07:272:41:356:446:43
6:43
-0:26
40K
24.85 mi13:13:232:47:316:445:56
6:56
+0:13
25.2M
25.20 mi13:16:032:50:116:452:40
7:44
+0:48
Finish
26.22 mi13:23:012:57:096:466:58
6:50
-0:54

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

6:33 /mi

Average Pace

6:46 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:13

94% of race

Time at Steady Pace

7:16

4% of race

Time at Slower Pace

2:40

2% of race

Average Pace: 6:45 /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 mi10:47:0021:086:4821:08
6:48
#6339
10K
6.21 mi11:07:2741:356:4220:27
6:35
#5301
15K
9.32 mi11:28:011:02:096:4020:34
6:37
#4949
20K
12.43 mi11:48:561:23:046:4120:55
6:44
#4863
Half
13.11 mi11:53:241:27:326:414:28
6:33
#4808
25K
15.53 mi12:09:201:43:286:4015:56
6:34
#4469
30K
18.64 mi12:30:152:04:236:4020:55
6:44
#4105
20M
20.00 mi12:39:312:13:396:419:16
6:49
#3987
21M
21.00 mi12:46:472:20:556:437:16
7:16
#3927
35K
21.75 mi12:51:472:25:556:435:00
6:41
#3883
23M
23.00 mi13:00:442:34:526:448:57
7:09
#3905
24M
24.00 mi13:07:272:41:356:446:43
6:43
#3835
40K
24.85 mi13:13:232:47:316:445:56
6:56
#3804
25.2M
25.20 mi13:16:032:50:116:452:40
7:44
#3797
Finish
26.22 mi13:23:012:57:096:466:58
6:50
#3780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi63395355354415(Top 16%)264(Top 2%)264(Top 5%)
10K6.21 mi3.10 mi5301+1038373+162373+1624339(Top 15%)256(Top 2%)256(Top 5%)
15K9.32 mi3.11 mi4949+352323+50323+504415(Top 16%)264(Top 2%)264(Top 5%)
20K12.43 mi3.11 mi4863+86322+1322+14737(Top 17%)339(Top 3%)339(Top 6%)
Half13.11 mi0.68 mi4808+55318+4318+44082(Top 14%)238(Top 2%)238(Top 4%)
25K15.53 mi2.42 mi4469+339277+41277+413305(Top 12%)172(Top 1%)172(Top 3%)
30K18.64 mi3.11 mi4105+364246+31246+313060(Top 11%)176(Top 1%)176(Top 3%)
20M20.00 mi1.36 mi3987+118237+9237+93085(Top 11%)209(Top 2%)209(Top 4%)
21M21.00 mi1.00 mi3927+602372373495(Top 12%)281(Top 2%)281(Top 5%)
35K21.75 mi0.75 mi3883+44236+1236+13457(Top 12%)294(Top 2%)294(Top 5%)
23M23.00 mi1.25 mi3905-22251-15251-154611(Top 16%)556(Top 5%)556(Top 10%)
24M24.00 mi1.00 mi3835+70246+5246+53089(Top 11%)280(Top 2%)280(Top 5%)
40K24.85 mi0.85 mi3804+31253-7253-73601(Top 13%)396(Top 3%)396(Top 7%)
25.2M25.20 mi0.35 mi3797+7258-5258-54573(Top 16%)720(Top 6%)720(Top 13%)
Finish26.22 mi1.02 mi3780+17261-3261-34737(Top 17%)762(Top 6%)762(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4415

Females

264

F18-39

264

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4339

Females

256

F18-39

256

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4415

Females

264

F18-39

264

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4737

Females

339

F18-39

339

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

4082

Females

238

F18-39

238

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3305

Females

172

F18-39

172

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3060

Females

176

F18-39

176

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3085

Females

209

F18-39

209

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3495

Females

281

F18-39

281

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3457

Females

294

F18-39

294

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4611

Females

556

F18-39

556

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3089

Females

280

F18-39

280

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3601

Females

396

F18-39

396

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4573

Females

720

F18-39

720

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4737

Females

762

F18-39

762

Passing Analysis

Category:
Athletes Passed
2932
Passed By
373
Net Change
+2559
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6339
5K → 10K10435+1038#6339#5301
10K → 15K37523+352#5301#4949
15K → 20K17286+86#4949#4863
20K → Half616+55#4863#4808
Half → 25K3434+339#4808#4469
25K → 30K37410+364#4469#4105
30K → 20M12911+118#4105#3987
20M → 21M8929+60#3987#3927
21M → 35K5915+44#3927#3883
35K → 23M6082-22#3883#3905
23M → 24M8414+70#3905#3835
24M → 40K6332+31#3835#3804
40K → 25.2M2114+7#3804#3797
25.2M → Finish5942+17#3797#3780
TOTALS2932373+2559
📊

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